157850816 has 56 divisors (see below), whose sum is σ = 323795136. Its totient is φ = 76308480.

The previous prime is 157850813. The next prime is 157850827. The reversal of 157850816 is 618058751.

It is a super-2 number, since 2×157850816² = 49833760223731712, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157850813) 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 7 ways as a sum of consecutive naturals, for example, 291506 + ... + 292046.

It is an arithmetic number, because the mean of its divisors is an integer number (5782056).

Almost surely, 2^157850816 is an apocalyptic number.

157850816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 157850816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (161897568).

157850816 is an abundant number, since it is smaller than the sum of its proper divisors (165944320).

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

157850816 is an equidigital number, since it uses as much as digits as its factorization.

157850816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 697 (or 687 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 41.

The square root of 157850816 is about 12563.8694676441. The cubic root of 157850816 is about 540.4418149166.

The spelling of 157850816 in words is "one hundred fifty-seven million, eight hundred fifty thousand, eight hundred sixteen".