66452528 has 10 divisors (see below), whose sum is σ = 128751804. Its totient is φ = 33226256.

The previous prime is 66452527. The next prime is 66452537. The reversal of 66452528 is 82525466.

It is a junction number, because it is equal to n+sod(n) for n = 66452491 and 66452500.

It is not an unprimeable number, because it can be changed into a prime (66452527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2076626 + ... + 2076657.

Almost surely, 2^66452528 is an apocalyptic number.

It is an amenable number.

66452528 is a deficient number, since it is larger than the sum of its proper divisors (62299276).

66452528 is a wasteful number, since it uses less digits than its factorization.

66452528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4153291 (or 4153285 counting only the distinct ones).

The product of its digits is 115200, while the sum is 38.

The square root of 66452528 is about 8151.8420004316. The cubic root of 66452528 is about 405.0455224957.

The spelling of 66452528 in words is "sixty-six million, four hundred fifty-two thousand, five hundred twenty-eight".