64866548925 has 24 divisors (see below), whose sum is σ = 119162254080. Its totient is φ = 34595492400.

The previous prime is 64866548893. The next prime is 64866548939. The reversal of 64866548925 is 52984566846.

64866548925 is a `hidden beast` number, since 6 + 4 + 8 + 66 + 548 + 9 + 25 = 666.

It is not a de Polignac number, because 64866548925 - 2⁵ = 64866548893 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 48048621 + ... + 48049970.

It is an arithmetic number, because the mean of its divisors is an integer number (4965093920).

Almost surely, 2^64866548925 is an apocalyptic number.

It is an amenable number.

64866548925 is a deficient number, since it is larger than the sum of its proper divisors (54295705155).

64866548925 is a wasteful number, since it uses less digits than its factorization.

64866548925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96098610 (or 96098599 counting only the distinct ones).

The product of its digits is 99532800, while the sum is 63.

The spelling of 64866548925 in words is "sixty-four billion, eight hundred sixty-six million, five hundred forty-eight thousand, nine hundred twenty-five".