10643310450664 has 64 divisors (see below), whose sum is σ = 20131924665600. Its totient is φ = 5275018425600.

The previous prime is 10643310450653. The next prime is 10643310450737. The reversal of 10643310450664 is 46605401334601.

It is a super-2 number, since 2×10643310450664² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10643310450664.

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, 1697765322 + ... + 1697771590.

It is an arithmetic number, because the mean of its divisors is an integer number (314561322900).

Almost surely, 2^{10643310450664} is an apocalyptic number.

It is an amenable number.

10643310450664 is a deficient number, since it is larger than the sum of its proper divisors (9488614214936).

10643310450664 is a wasteful number, since it uses less digits than its factorization.

10643310450664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10394 (or 10390 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 43.

The spelling of 10643310450664 in words is "ten trillion, six hundred forty-three billion, three hundred ten million, four hundred fifty thousand, six hundred sixty-four".