156391416 has 48 divisors (see below), whose sum is σ = 429539760. Its totient is φ = 51394560.

The previous prime is 156391409. The next prime is 156391427. The reversal of 156391416 is 614193651.

156391416 is a `hidden beast` number, since 1 + 5 + 639 + 1 + 4 + 16 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10185 + ... + 20408.

It is an arithmetic number, because the mean of its divisors is an integer number (8948745).

Almost surely, 2^156391416 is an apocalyptic number.

It is an amenable number.

156391416 is an abundant number, since it is smaller than the sum of its proper divisors (273148344).

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

156391416 is a wasteful number, since it uses less digits than its factorization.

156391416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30676 (or 30669 counting only the distinct ones).

The product of its digits is 19440, while the sum is 36.

The square root of 156391416 is about 12505.6553606758. The cubic root of 156391416 is about 538.7711149969.

The spelling of 156391416 in words is "one hundred fifty-six million, three hundred ninety-one thousand, four hundred sixteen".