164011626 has 12 divisors (see below), whose sum is σ = 355358562. Its totient is φ = 54670536.

The previous prime is 164011609. The next prime is 164011637. The reversal of 164011626 is 626110461.

164011626 is a `hidden beast` number, since 1 + 640 + 1 + 16 + 2 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 115025625 + 48986001 = 10725^2 + 6999^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 164011626.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4555861 + ... + 4555896.

Almost surely, 2^164011626 is an apocalyptic number.

164011626 is an abundant number, since it is smaller than the sum of its proper divisors (191346936).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

164011626 is a wasteful number, since it uses less digits than its factorization.

164011626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9111765 (or 9111762 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 164011626 is about 12806.7023858603. The cubic root of 164011626 is about 547.3833015805.

The spelling of 164011626 in words is "one hundred sixty-four million, eleven thousand, six hundred twenty-six".