151561916 has 24 divisors (see below), whose sum is σ = 297168816. Its totient is φ = 67029120.

The previous prime is 151561897. The next prime is 151561931. The reversal of 151561916 is 619165151.

151561916 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44921 + ... + 48176.

It is an arithmetic number, because the mean of its divisors is an integer number (12382034).

Almost surely, 2^151561916 is an apocalyptic number.

It is an amenable number.

151561916 is a deficient number, since it is larger than the sum of its proper divisors (145606900).

151561916 is a wasteful number, since it uses less digits than its factorization.

151561916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93149 (or 93147 counting only the distinct ones).

The product of its digits is 8100, while the sum is 35.

The square root of 151561916 is about 12311.0485337359. The cubic root of 151561916 is about 533.1671240756.

The spelling of 151561916 in words is "one hundred fifty-one million, five hundred sixty-one thousand, nine hundred sixteen".