64612112195648 has 28 divisors (see below), whose sum is σ = 133789210582080. Its totient is φ = 30901444962432.

The previous prime is 64612112195597. The next prime is 64612112195681. The reversal of 64612112195648 is 84659121121646.

It is a junction number, because it is equal to n+sod(n) for n = 64612112195593 and 64612112195602.

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, 21947047508 + ... + 21947050451.

Almost surely, 2^{64612112195648} is an apocalyptic number.

It is an amenable number.

64612112195648 is an abundant number, since it is smaller than the sum of its proper divisors (69177098386432).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64612112195648 is a wasteful number, since it uses less digits than its factorization.

64612112195648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43894097994 (or 43894097984 counting only the distinct ones).

The product of its digits is 4976640, while the sum is 56.

The spelling of 64612112195648 in words is "sixty-four trillion, six hundred twelve billion, one hundred twelve million, one hundred ninety-five thousand, six hundred forty-eight".