10663191660 has 48 divisors (see below), whose sum is σ = 32571205632. Its totient is φ = 2585016000.

The previous prime is 10663191659. The next prime is 10663191677. The reversal of 10663191660 is 6619136601.

It is a super-2 number, since 2×10663191660² (a number of 21 digits) contains 22 as substring.

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, 8077516 + ... + 8078835.

It is an arithmetic number, because the mean of its divisors is an integer number (678566784).

Almost surely, 2^10663191660 is an apocalyptic number.

10663191660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10663191660 is an abundant number, since it is smaller than the sum of its proper divisors (21908013972).

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

10663191660 is a wasteful number, since it uses less digits than its factorization.

10663191660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16156374 (or 16156372 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 39.

The spelling of 10663191660 in words is "ten billion, six hundred sixty-three million, one hundred ninety-one thousand, six hundred sixty".