151120656 has 60 divisors (see below), whose sum is σ = 424794240. Its totient is φ = 50151360.

The previous prime is 151120639. The next prime is 151120657. The reversal of 151120656 is 656021151.

It is a happy number.

151120656 is a `hidden beast` number, since 1 + 5 + 1 + 1 + 2 + 0 + 656 = 666.

It is not an unprimeable number, because it can be changed into a prime (151120657) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32221 + ... + 36611.

It is an arithmetic number, because the mean of its divisors is an integer number (7079904).

Almost surely, 2^151120656 is an apocalyptic number.

151120656 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 151120656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (212397120).

151120656 is an abundant number, since it is smaller than the sum of its proper divisors (273673584).

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

151120656 is a wasteful number, since it uses less digits than its factorization.

151120656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4644 (or 4635 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 27.

The square root of 151120656 is about 12293.1141701361. The cubic root of 151120656 is about 532.6491971013.

The spelling of 151120656 in words is "one hundred fifty-one million, one hundred twenty thousand, six hundred fifty-six".