662057772388 has 12 divisors (see below), whose sum is σ = 1165002214012. Its totient is φ = 329199996960.

The previous prime is 662057772317. The next prime is 662057772403. The reversal of 662057772388 is 883277750266.

It can be written as a sum of positive squares in 2 ways, for example, as 75488661504 + 586569110884 = 274752^2 + 765878^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 457221495 + ... + 457222942.

Almost surely, 2^662057772388 is an apocalyptic number.

It is an amenable number.

662057772388 is a deficient number, since it is larger than the sum of its proper divisors (502944441624).

662057772388 is a wasteful number, since it uses less digits than its factorization.

662057772388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 914444622 (or 914444620 counting only the distinct ones).

The product of its (nonzero) digits is 47416320, while the sum is 61.

The spelling of 662057772388 in words is "six hundred sixty-two billion, fifty-seven million, seven hundred seventy-two thousand, three hundred eighty-eight".