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11066161 = 25914271
BaseRepresentation
bin101010001101…
…101100110001
3202211012220211
4222031230301
510313104121
61033104121
7163026601
oct52155461
922735824
1011066161
116279197
123858041
1323a5c32
141680c01
15e88ce1
hexa8db31

11066161 has 4 divisors (see below), whose sum is σ = 11073024. Its totient is φ = 11059300.

The previous prime is 11066147. The next prime is 11066173. The reversal of 11066161 is 16166011.

11066161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 16166011 = 154310477.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-11066161 is a prime.

It is a pancake number, because a pancake can be divided into 11066161 parts by 4704 straight cuts.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11069161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 456 + ... + 4726.

It is an arithmetic number, because the mean of its divisors is an integer number (2768256).

Almost surely, 211066161 is an apocalyptic number.

It is an amenable number.

11066161 is a deficient number, since it is larger than the sum of its proper divisors (6863).

11066161 is an equidigital number, since it uses as much as digits as its factorization.

11066161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6862.

The product of its (nonzero) digits is 216, while the sum is 22.

The square root of 11066161 is about 3326.5839836084. The cubic root of 11066161 is about 222.8429991454.

The spelling of 11066161 in words is "eleven million, sixty-six thousand, one hundred sixty-one".

Divisors: 1 2591 4271 11066161