151770816 has 42 divisors (see below), whose sum is σ = 435025292. Its totient is φ = 50590080.

The previous prime is 151770791. The next prime is 151770821. The reversal of 151770816 is 618077151.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 131170 + ... + 132321.

Almost surely, 2^151770816 is an apocalyptic number.

151770816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

151770816 is an abundant number, since it is smaller than the sum of its proper divisors (283254476).

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

151770816 is a wasteful number, since it uses less digits than its factorization.

151770816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263509 (or 263496 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 36.

The square root of 151770816 is about 12319.5298611595. The cubic root of 151770816 is about 533.4119689608.

The spelling of 151770816 in words is "one hundred fifty-one million, seven hundred seventy thousand, eight hundred sixteen".