66465532 has 24 divisors (see below), whose sum is σ = 133755776. Its totient is φ = 28308528.

The previous prime is 66465527. The next prime is 66465547. The reversal of 66465532 is 23556466.

It is a junction number, because it is equal to n+sod(n) for n = 66465491 and 66465500.

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, 2718 + ... + 11845.

Almost surely, 2^66465532 is an apocalyptic number.

It is an amenable number.

66465532 is an abundant number, since it is smaller than the sum of its proper divisors (67290244).

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

66465532 is a wasteful number, since it uses less digits than its factorization.

66465532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14737 (or 14735 counting only the distinct ones).

The product of its digits is 129600, while the sum is 37.

The square root of 66465532 is about 8152.6395725556. The cubic root of 66465532 is about 405.0719416984.

The spelling of 66465532 in words is "sixty-six million, four hundred sixty-five thousand, five hundred thirty-two".