164158831269 has 12 divisors (see below), whose sum is σ = 237122964000. Its totient is φ = 109437073704.

The previous prime is 164158831261. The next prime is 164158831303. The reversal of 164158831269 is 962138851461.

It is a happy number.

164158831269 is a `hidden beast` number, since 1 + 6 + 4 + 1 + 588 + 31 + 26 + 9 = 666.

It is not a de Polignac number, because 164158831269 - 2³ = 164158831261 is a prime.

It is a super-2 number, since 2×164158831269² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164158831261) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 405882 + ... + 702180.

It is an arithmetic number, because the mean of its divisors is an integer number (19760247000).

Almost surely, 2^164158831269 is an apocalyptic number.

It is an amenable number.

164158831269 is a deficient number, since it is larger than the sum of its proper divisors (72964132731).

164158831269 is a wasteful number, since it uses less digits than its factorization.

164158831269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357864 (or 357861 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 54.

The spelling of 164158831269 in words is "one hundred sixty-four billion, one hundred fifty-eight million, eight hundred thirty-one thousand, two hundred sixty-nine".