662112702868 has 6 divisors (see below), whose sum is σ = 1158697230026. Its totient is φ = 331056351432.

The previous prime is 662112702851. The next prime is 662112702893. The reversal of 662112702868 is 868207211266.

It can be written as a sum of positive squares in only one way, i.e., 513303468304 + 148809234564 = 716452^2 + 385758^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82764087855 + ... + 82764087862.

Almost surely, 2^662112702868 is an apocalyptic number.

It is an amenable number.

662112702868 is a deficient number, since it is larger than the sum of its proper divisors (496584527158).

662112702868 is a wasteful number, since it uses less digits than its factorization.

662112702868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165528175721 (or 165528175719 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 49.

The spelling of 662112702868 in words is "six hundred sixty-two billion, one hundred twelve million, seven hundred two thousand, eight hundred sixty-eight".