66466536 has 16 divisors (see below), whose sum is σ = 166166400. Its totient is φ = 22155504.

The previous prime is 66466529. The next prime is 66466553. The reversal of 66466536 is 63566466.

It is a happy 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, 1384696 + ... + 1384743.

It is an arithmetic number, because the mean of its divisors is an integer number (10385400).

Almost surely, 2^66466536 is an apocalyptic number.

It is an amenable number.

66466536 is an abundant number, since it is smaller than the sum of its proper divisors (99699864).

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

66466536 is a wasteful number, since it uses less digits than its factorization.

66466536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2769448 (or 2769444 counting only the distinct ones).

The product of its digits is 466560, while the sum is 42.

The square root of 66466536 is about 8152.7011474725. The cubic root of 66466536 is about 405.0739813029.

The spelling of 66466536 in words is "sixty-six million, four hundred sixty-six thousand, five hundred thirty-six".