10645440664446 has 48 divisors (see below), whose sum is σ = 26693811456000. Its totient is φ = 3003053783184.

The previous prime is 10645440664429. The next prime is 10645440664501. The reversal of 10645440664446 is 64446604454601.

10645440664446 is a `hidden beast` number, since 1 + 0 + 64 + 5 + 440 + 66 + 44 + 46 = 666.

It is a super-2 number, since 2×10645440664446² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10645440664392 and 10645440664401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 534721846 + ... + 534741753.

It is an arithmetic number, because the mean of its divisors is an integer number (556121072000).

Almost surely, 2^{10645440664446} is an apocalyptic number.

10645440664446 is an abundant number, since it is smaller than the sum of its proper divisors (16048370791554).

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

10645440664446 is a wasteful number, since it uses less digits than its factorization.

10645440664446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1069463693 (or 1069463690 counting only the distinct ones).

The product of its (nonzero) digits is 26542080, while the sum is 54.

The spelling of 10645440664446 in words is "ten trillion, six hundred forty-five billion, four hundred forty million, six hundred sixty-four thousand, four hundred forty-six".