66250524 has 12 divisors (see below), whose sum is σ = 154584584. Its totient is φ = 22083504.

The previous prime is 66250507. The next prime is 66250567. The reversal of 66250524 is 42505266.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 66250491 and 66250500.

It is a congruent number.

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, 2760427 + ... + 2760450.

Almost surely, 2^66250524 is an apocalyptic number.

It is an amenable number.

66250524 is an abundant number, since it is smaller than the sum of its proper divisors (88334060).

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

66250524 is a wasteful number, since it uses less digits than its factorization.

66250524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5520884 (or 5520882 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 66250524 is about 8139.4424870503. The cubic root of 66250524 is about 404.6346835331.

The spelling of 66250524 in words is "sixty-six million, two hundred fifty thousand, five hundred twenty-four".