156116816 has 10 divisors (see below), whose sum is σ = 302476362. Its totient is φ = 78058400.

The previous prime is 156116813. The next prime is 156116833. The reversal of 156116816 is 618611651.

It can be written as a sum of positive squares in only one way, i.e., 146506816 + 9610000 = 12104^2 + 3100^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156116813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4878635 + ... + 4878666.

Almost surely, 2^156116816 is an apocalyptic number.

156116816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

156116816 is a deficient number, since it is larger than the sum of its proper divisors (146359546).

156116816 is an equidigital number, since it uses as much as digits as its factorization.

156116816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9757309 (or 9757303 counting only the distinct ones).

The product of its digits is 8640, while the sum is 35.

The square root of 156116816 is about 12494.6715042853. The cubic root of 156116816 is about 538.4555963510.

The spelling of 156116816 in words is "one hundred fifty-six million, one hundred sixteen thousand, eight hundred sixteen".