151605656 has 8 divisors (see below), whose sum is σ = 284260620. Its totient is φ = 75802824.

The previous prime is 151605631. The next prime is 151605667. The reversal of 151605656 is 656506151.

151605656 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9475346 + ... + 9475361.

Almost surely, 2^151605656 is an apocalyptic number.

It is an amenable number.

151605656 is a deficient number, since it is larger than the sum of its proper divisors (132654964).

151605656 is a wasteful number, since it uses less digits than its factorization.

151605656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18950713 (or 18950709 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 35.

The square root of 151605656 is about 12312.8248586586. The cubic root of 151605656 is about 533.2184089180.

The spelling of 151605656 in words is "one hundred fifty-one million, six hundred five thousand, six hundred fifty-six".