10660023561 has 16 divisors (see below), whose sum is σ = 15507394560. Its totient is φ = 6459826320.

The previous prime is 10660023559. The next prime is 10660023571. The reversal of 10660023561 is 16532006601.

It is not a de Polignac number, because 10660023561 - 2¹ = 10660023559 is a prime.

It is a super-2 number, since 2×10660023561² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10660023571) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 362820 + ... + 391098.

It is an arithmetic number, because the mean of its divisors is an integer number (969212160).

Almost surely, 2^10660023561 is an apocalyptic number.

10660023561 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10660023561 is a deficient number, since it is larger than the sum of its proper divisors (4847370999).

10660023561 is a wasteful number, since it uses less digits than its factorization.

10660023561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39716.

The product of its (nonzero) digits is 6480, while the sum is 30.

The spelling of 10660023561 in words is "ten billion, six hundred sixty million, twenty-three thousand, five hundred sixty-one".