156164616 has 24 divisors (see below), whose sum is σ = 422946030. Its totient is φ = 52054848.

The previous prime is 156164611. The next prime is 156164633. The reversal of 156164616 is 616461651.

It is a happy number.

156164616 is a `hidden beast` number, since 1 + 5 + 6 + 1 + 646 + 1 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 149964516 + 6200100 = 12246^2 + 2490^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (156164611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1084405 + ... + 1084548.

Almost surely, 2^156164616 is an apocalyptic number.

It is an amenable number.

156164616 is an abundant number, since it is smaller than the sum of its proper divisors (266781414).

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

156164616 is a wasteful number, since it uses less digits than its factorization.

156164616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2168965 (or 2168958 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 156164616 is about 12496.5841732851. The cubic root of 156164616 is about 538.5105456976.

The spelling of 156164616 in words is "one hundred fifty-six million, one hundred sixty-four thousand, six hundred sixteen".