66132384 has 48 divisors (see below), whose sum is σ = 177303168. Its totient is φ = 21573632.

The previous prime is 66132377. The next prime is 66132427. The reversal of 66132384 is 48323166.

It is a tau number, because it is divible by the number of its divisors (48).

It is a nude number because it is divisible by every one of its digits.

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, 2817 + ... + 11840.

It is an arithmetic number, because the mean of its divisors is an integer number (3693816).

Almost surely, 2^66132384 is an apocalyptic number.

It is an amenable number.

66132384 is an abundant number, since it is smaller than the sum of its proper divisors (111170784).

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

66132384 is a wasteful number, since it uses less digits than its factorization.

66132384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14717 (or 14709 counting only the distinct ones).

The product of its digits is 20736, while the sum is 33.

The square root of 66132384 is about 8132.1819950122. The cubic root of 66132384 is about 404.3940213631.

The spelling of 66132384 in words is "sixty-six million, one hundred thirty-two thousand, three hundred eighty-four".