10642645463664 has 40 divisors (see below), whose sum is σ = 27511204451472. Its totient is φ = 3545264143360.

The previous prime is 10642645463657. The next prime is 10642645463713. The reversal of 10642645463664 is 46636454624601.

It is a super-2 number, since 2×10642645463664² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71310447 + ... + 71459534.

Almost surely, 2^{10642645463664} is an apocalyptic number.

It is an amenable number.

10642645463664 is an abundant number, since it is smaller than the sum of its proper divisors (16868558987808).

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

10642645463664 is a wasteful number, since it uses less digits than its factorization.

10642645463664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142771545 (or 142771539 counting only the distinct ones).

The product of its (nonzero) digits is 59719680, while the sum is 57.

The spelling of 10642645463664 in words is "ten trillion, six hundred forty-two billion, six hundred forty-five million, four hundred sixty-three thousand, six hundred sixty-four".