648538160 has 40 divisors (see below), whose sum is σ = 1510322976. Its totient is φ = 258990080.

The previous prime is 648538147. The next prime is 648538171. The reversal of 648538160 is 61835846.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44957 + ... + 57603.

Almost surely, 2^648538160 is an apocalyptic number.

It is an amenable number.

648538160 is an abundant number, since it is smaller than the sum of its proper divisors (861784816).

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

648538160 is a wasteful number, since it uses less digits than its factorization.

648538160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13301 (or 13295 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 41.

The square root of 648538160 is about 25466.4123896555. The cubic root of 648538160 is about 865.5892317715.

The spelling of 648538160 in words is "six hundred forty-eight million, five hundred thirty-eight thousand, one hundred sixty".