10651611660 has 96 divisors (see below), whose sum is σ = 31435138560. Its totient is φ = 2687427072.

The previous prime is 10651611653. The next prime is 10651611683. The reversal of 10651611660 is 6611615601.

It is a super-2 number, since 2×10651611660² (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 31 ways as a sum of consecutive naturals, for example, 932544 + ... + 943896.

It is an arithmetic number, because the mean of its divisors is an integer number (327449360).

Almost surely, 2^10651611660 is an apocalyptic number.

10651611660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10651611660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15717569280).

10651611660 is an abundant number, since it is smaller than the sum of its proper divisors (20783526900).

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

10651611660 is a wasteful number, since it uses less digits than its factorization.

10651611660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12207 (or 12205 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 33.

The spelling of 10651611660 in words is "ten billion, six hundred fifty-one million, six hundred eleven thousand, six hundred sixty".