5066778664232 has 8 divisors (see below), whose sum is σ = 9500209995450. Its totient is φ = 2533389332112.

The previous prime is 5066778664201. The next prime is 5066778664349. The reversal of 5066778664232 is 2324668776605.

It can be written as a sum of positive squares in only one way, i.e., 5055059735716 + 11718928516 = 2248346^2 + 108254^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×5066778664232² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 316673666507 + ... + 316673666522.

Almost surely, 2^{5066778664232} is an apocalyptic number.

It is an amenable number.

5066778664232 is a deficient number, since it is larger than the sum of its proper divisors (4433431331218).

5066778664232 is a wasteful number, since it uses less digits than its factorization.

5066778664232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 633347333035 (or 633347333031 counting only the distinct ones).

The product of its (nonzero) digits is 121927680, while the sum is 62.

The spelling of 5066778664232 in words is "five trillion, sixty-six billion, seven hundred seventy-eight million, six hundred sixty-four thousand, two hundred thirty-two".