66039336 has 48 divisors (see below), whose sum is σ = 195118560. Its totient is φ = 20011680.

The previous prime is 66039313. The next prime is 66039401. The reversal of 66039336 is 63393066.

It is a super-2 number, since 2×66039336² = 8722387798641792, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 66039336.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40900 + ... + 42483.

It is an arithmetic number, because the mean of its divisors is an integer number (4064970).

Almost surely, 2^66039336 is an apocalyptic number.

66039336 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

66039336 is an abundant number, since it is smaller than the sum of its proper divisors (129079224).

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

66039336 is a wasteful number, since it uses less digits than its factorization.

66039336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83406 (or 83399 counting only the distinct ones).

The product of its (nonzero) digits is 52488, while the sum is 36.

The square root of 66039336 is about 8126.4590074644. The cubic root of 66039336 is about 404.2042720858.

The spelling of 66039336 in words is "sixty-six million, thirty-nine thousand, three hundred thirty-six".