646550096596 has 6 divisors (see below), whose sum is σ = 1131462669050. Its totient is φ = 323275048296.

The previous prime is 646550096579. The next prime is 646550096611. The reversal of 646550096596 is 695690055646.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 541716608196 + 104833488400 = 736014^2 + 323780^2 .

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, 80818762071 + ... + 80818762078.

Almost surely, 2^646550096596 is an apocalyptic number.

It is an amenable number.

646550096596 is a deficient number, since it is larger than the sum of its proper divisors (484912572454).

646550096596 is a wasteful number, since it uses less digits than its factorization.

646550096596 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161637524153 (or 161637524151 counting only the distinct ones).

The product of its (nonzero) digits is 52488000, while the sum is 61.

The spelling of 646550096596 in words is "six hundred forty-six billion, five hundred fifty million, ninety-six thousand, five hundred ninety-six".