156873916 has 6 divisors (see below), whose sum is σ = 274529360. Its totient is φ = 78436956.

The previous prime is 156873887. The next prime is 156873917. The reversal of 156873916 is 619378651.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156873917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19609236 + ... + 19609243.

Almost surely, 2^156873916 is an apocalyptic number.

It is an amenable number.

156873916 is a deficient number, since it is larger than the sum of its proper divisors (117655444).

156873916 is a wasteful number, since it uses less digits than its factorization.

156873916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39218483 (or 39218481 counting only the distinct ones).

The product of its digits is 272160, while the sum is 46.

The square root of 156873916 is about 12524.9317762613. The cubic root of 156873916 is about 539.3246197574.

The spelling of 156873916 in words is "one hundred fifty-six million, eight hundred seventy-three thousand, nine hundred sixteen".