10021623660 has 72 divisors (see below), whose sum is σ = 30415572096. Its totient is φ = 2670969600.

The previous prime is 10021623643. The next prime is 10021623683. The reversal of 10021623660 is 6632612001.

10021623660 is a `hidden beast` number, since 10 + 0 + 21 + 623 + 6 + 6 + 0 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 336912 + ... + 365448.

Almost surely, 2^10021623660 is an apocalyptic number.

10021623660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10021623660 is an abundant number, since it is smaller than the sum of its proper divisors (20393948436).

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

10021623660 is a wasteful number, since it uses less digits than its factorization.

10021623660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30503 (or 30498 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The spelling of 10021623660 in words is "ten billion, twenty-one million, six hundred twenty-three thousand, six hundred sixty".