10281157656 has 192 divisors, whose sum is σ = 32805077760. Its totient is φ = 2655072000.

The previous prime is 10281157639. The next prime is 10281157703. The reversal of 10281157656 is 65675118201.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2339221 + ... + 2343611.

It is an arithmetic number, because the mean of its divisors is an integer number (170859780).

Almost surely, 2^10281157656 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 10281157656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16402538880).

10281157656 is an abundant number, since it is smaller than the sum of its proper divisors (22523920104).

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

10281157656 is a wasteful number, since it uses less digits than its factorization.

10281157656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4606 (or 4595 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 42.

The spelling of 10281157656 in words is "ten billion, two hundred eighty-one million, one hundred fifty-seven thousand, six hundred fifty-six".