64532500120 has 32 divisors (see below), whose sum is σ = 158397955920. Its totient is φ = 23466363520.

The previous prime is 64532500103. The next prime is 64532500177. The reversal of 64532500120 is 2100523546.

It is a congruent number.

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, 73331947 + ... + 73332826.

Almost surely, 2^64532500120 is an apocalyptic number.

It is an amenable number.

64532500120 is an abundant number, since it is smaller than the sum of its proper divisors (93865455800).

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

64532500120 is a wasteful number, since it uses less digits than its factorization.

64532500120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146664795 (or 146664791 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The spelling of 64532500120 in words is "sixty-four billion, five hundred thirty-two million, five hundred thousand, one hundred twenty".