10456615666 has 32 divisors (see below), whose sum is σ = 18858096000. Its totient is φ = 4253528832.

The previous prime is 10456615661. The next prime is 10456615679. The reversal of 10456615666 is 66651665401.

It is a super-2 number, since 2×10456615666² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10456615661) 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, 194311 + ... + 242218.

It is an arithmetic number, because the mean of its divisors is an integer number (589315500).

Almost surely, 2^10456615666 is an apocalyptic number.

10456615666 is a deficient number, since it is larger than the sum of its proper divisors (8401480334).

10456615666 is a wasteful number, since it uses less digits than its factorization.

10456615666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 436626.

The product of its (nonzero) digits is 777600, while the sum is 46.

The spelling of 10456615666 in words is "ten billion, four hundred fifty-six million, six hundred fifteen thousand, six hundred sixty-six".