5651155510664 has 32 divisors (see below), whose sum is σ = 11259708416280. Its totient is φ = 2649766677504.

The previous prime is 5651155510639. The next prime is 5651155510667. The reversal of 5651155510664 is 4660155511565.

It can be written as a sum of positive squares in 4 ways, for example, as 5604857381764 + 46298128900 = 2367458^2 + 215170^2 .

It is not an unprimeable number, because it can be changed into a prime (5651155510667) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74967047 + ... + 75042390.

Almost surely, 2^{5651155510664} is an apocalyptic number.

It is an amenable number.

5651155510664 is a deficient number, since it is larger than the sum of its proper divisors (5608552905616).

5651155510664 is a wasteful number, since it uses less digits than its factorization.

5651155510664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150009737 (or 150009733 counting only the distinct ones).

The product of its (nonzero) digits is 2700000, while the sum is 50.

Subtracting from 5651155510664 its reverse (4660155511565), we obtain a palindrome (990999999099).

The spelling of 5651155510664 in words is "five trillion, six hundred fifty-one billion, one hundred fifty-five million, five hundred ten thousand, six hundred sixty-four".