10660217788 has 24 divisors (see below), whose sum is σ = 20468977200. Its totient is φ = 4817541120.

The previous prime is 10660217719. The next prime is 10660217803. The reversal of 10660217788 is 88771206601.

It is a super-2 number, since 2×10660217788² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 692613 + ... + 707836.

It is an arithmetic number, because the mean of its divisors is an integer number (852874050).

Almost surely, 2^10660217788 is an apocalyptic number.

It is an amenable number.

10660217788 is a deficient number, since it is larger than the sum of its proper divisors (9808759412).

10660217788 is a wasteful number, since it uses less digits than its factorization.

10660217788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1400637 (or 1400635 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 46.

The spelling of 10660217788 in words is "ten billion, six hundred sixty million, two hundred seventeen thousand, seven hundred eighty-eight".