156612216 has 32 divisors (see below), whose sum is σ = 395413200. Its totient is φ = 51686400.

The previous prime is 156612179. The next prime is 156612227. The reversal of 156612216 is 612216651.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29881 + ... + 34728.

Almost surely, 2^156612216 is an apocalyptic number.

It is an amenable number.

156612216 is an abundant number, since it is smaller than the sum of its proper divisors (238800984).

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

156612216 is a wasteful number, since it uses less digits than its factorization.

156612216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64719 (or 64715 counting only the distinct ones).

The product of its digits is 4320, while the sum is 30.

The square root of 156612216 is about 12514.4802528910. The cubic root of 156612216 is about 539.0245490291.

Adding to 156612216 its reverse (612216651), we get a palindrome (768828867).

The spelling of 156612216 in words is "one hundred fifty-six million, six hundred twelve thousand, two hundred sixteen".