157892816 has 20 divisors (see below), whose sum is σ = 307613124. Its totient is φ = 78508800.

The previous prime is 157892807. The next prime is 157892843. The reversal of 157892816 is 618298751.

It can be written as a sum of positive squares in 2 ways, for example, as 23425600 + 134467216 = 4840^2 + 11596^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24365 + ... + 30156.

Almost surely, 2^157892816 is an apocalyptic number.

157892816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

157892816 is a deficient number, since it is larger than the sum of its proper divisors (149720308).

157892816 is a wasteful number, since it uses less digits than its factorization.

157892816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54710 (or 54704 counting only the distinct ones).

The product of its digits is 241920, while the sum is 47.

The square root of 157892816 is about 12565.5408160572. The cubic root of 157892816 is about 540.4897431735.

The spelling of 157892816 in words is "one hundred fifty-seven million, eight hundred ninety-two thousand, eight hundred sixteen".