10216821156 has 96 divisors (see below), whose sum is σ = 25559052288. Its totient is φ = 3170724480.

The previous prime is 10216821067. The next prime is 10216821161. The reversal of 10216821156 is 65112861201.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1066966 + ... + 1076498.

It is an arithmetic number, because the mean of its divisors is an integer number (266240128).

Almost surely, 2^10216821156 is an apocalyptic number.

It is an amenable number.

10216821156 is an abundant number, since it is smaller than the sum of its proper divisors (15342231132).

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

10216821156 is a wasteful number, since it uses less digits than its factorization.

10216821156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9681 (or 9679 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 33.

The spelling of 10216821156 in words is "ten billion, two hundred sixteen million, eight hundred twenty-one thousand, one hundred fifty-six".