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16055161 = 18238807
BaseRepresentation
bin111101001111…
…101101111001
31010012200112121
4331033231321
513102231121
61332041241
7253316023
oct75175571
933180477
1016055161
119076531
125463221
1334319c5
1421bd013
151622141
hexf4fb79

16055161 has 4 divisors (see below), whose sum is σ = 16065792. Its totient is φ = 16044532.

The previous prime is 16055147. The next prime is 16055189. The reversal of 16055161 is 16155061.

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.

It is a cyclic number.

It is not a de Polignac number, because 16055161 - 25 = 16055129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16055111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2581 + ... + 6226.

It is an arithmetic number, because the mean of its divisors is an integer number (4016448).

Almost surely, 216055161 is an apocalyptic number.

It is an amenable number.

16055161 is a deficient number, since it is larger than the sum of its proper divisors (10631).

16055161 is an equidigital number, since it uses as much as digits as its factorization.

16055161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10630.

The product of its (nonzero) digits is 900, while the sum is 25.

The square root of 16055161 is about 4006.8891923785. The cubic root of 16055161 is about 252.2734549408.

The spelling of 16055161 in words is "sixteen million, fifty-five thousand, one hundred sixty-one".

Divisors: 1 1823 8807 16055161