151564656 has 80 divisors (see below), whose sum is σ = 416678688. Its totient is φ = 47308800.

The previous prime is 151564619. The next prime is 151564661. The reversal of 151564656 is 656465151.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 228966 + ... + 229626.

Almost surely, 2^151564656 is an apocalyptic number.

151564656 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 151564656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (208339344).

151564656 is an abundant number, since it is smaller than the sum of its proper divisors (265114032).

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

151564656 is a wasteful number, since it uses less digits than its factorization.

151564656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 970 (or 964 counting only the distinct ones).

The product of its digits is 108000, while the sum is 39.

The square root of 151564656 is about 12311.1598153870. The cubic root of 151564656 is about 533.1703369960.

The spelling of 151564656 in words is "one hundred fifty-one million, five hundred sixty-four thousand, six hundred fifty-six".