64668625088 has 14 divisors (see below), whose sum is σ = 128326803036. Its totient is φ = 32334312512.

The previous prime is 64668625037. The next prime is 64668625103. The reversal of 64668625088 is 88052686646.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505223570 + ... + 505223697.

Almost surely, 2^64668625088 is an apocalyptic number.

It is an amenable number.

64668625088 is a deficient number, since it is larger than the sum of its proper divisors (63658177948).

64668625088 is a wasteful number, since it uses less digits than its factorization.

64668625088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1010447279 (or 1010447269 counting only the distinct ones).

The product of its (nonzero) digits is 26542080, while the sum is 59.

The spelling of 64668625088 in words is "sixty-four billion, six hundred sixty-eight million, six hundred twenty-five thousand, eighty-eight".