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164099711 = 167982633
BaseRepresentation
bin10011100011111…
…11011001111111
3102102210010111002
421301333121333
5314002142321
624141120515
74031552546
oct1161773177
9372703432
10164099711
11846a25a6
1246b5913b
1327cc7829
1417b1915d
15e61720b
hex9c7f67f

164099711 has 4 divisors (see below), whose sum is σ = 165082512. Its totient is φ = 163116912.

The previous prime is 164099707. The next prime is 164099717. The reversal of 164099711 is 117990461.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 117990461 = 181651881.

It is a cyclic number.

It is not a de Polignac number, because 164099711 - 22 = 164099707 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164099717) 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, 491150 + ... + 491483.

It is an arithmetic number, because the mean of its divisors is an integer number (41270628).

Almost surely, 2164099711 is an apocalyptic number.

164099711 is a deficient number, since it is larger than the sum of its proper divisors (982801).

164099711 is an equidigital number, since it uses as much as digits as its factorization.

164099711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 982800.

The product of its (nonzero) digits is 13608, while the sum is 38.

The square root of 164099711 is about 12810.1409437992. The cubic root of 164099711 is about 547.4812776206.

The spelling of 164099711 in words is "one hundred sixty-four million, ninety-nine thousand, seven hundred eleven".

Divisors: 1 167 982633 164099711