151605615656 has 64 divisors (see below), whose sum is σ = 319737369600. Its totient is φ = 66795019200.

The previous prime is 151605615649. The next prime is 151605615671. The reversal of 151605615656 is 656516506151.

It is a self number, because there is not a number n which added to its sum of digits gives 151605615656.

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, 342785 + ... + 648623.

It is an arithmetic number, because the mean of its divisors is an integer number (4995896400).

Almost surely, 2^151605615656 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 151605615656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (159868684800).

151605615656 is an abundant number, since it is smaller than the sum of its proper divisors (168131753944).

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

151605615656 is a wasteful number, since it uses less digits than its factorization.

151605615656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306030 (or 306026 counting only the distinct ones).

The product of its (nonzero) digits is 810000, while the sum is 47.

The spelling of 151605615656 in words is "one hundred fifty-one billion, six hundred five million, six hundred fifteen thousand, six hundred fifty-six".