10645635131566 has 16 divisors (see below), whose sum is σ = 15974894839824. Its totient is φ = 5320670367744.

The previous prime is 10645635131543. The next prime is 10645635131581. The reversal of 10645635131566 is 66513153654601.

10645635131566 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×10645635131566² (a number of 27 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, 203768800 + ... + 203821036.

It is an arithmetic number, because the mean of its divisors is an integer number (998430927489).

Almost surely, 2^{10645635131566} is an apocalyptic number.

10645635131566 is a deficient number, since it is larger than the sum of its proper divisors (5329259708258).

10645635131566 is a wasteful number, since it uses less digits than its factorization.

10645635131566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91395.

The product of its (nonzero) digits is 5832000, while the sum is 52.

The spelling of 10645635131566 in words is "ten trillion, six hundred forty-five billion, six hundred thirty-five million, one hundred thirty-one thousand, five hundred sixty-six".