66059364 has 48 divisors (see below), whose sum is σ = 180464256. Its totient is φ = 18412800.

The previous prime is 66059363. The next prime is 66059377. The reversal of 66059364 is 46395066.

It is a happy number.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (66059363) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6147 + ... + 13034.

It is an arithmetic number, because the mean of its divisors is an integer number (3759672).

Almost surely, 2^66059364 is an apocalyptic number.

It is an amenable number.

66059364 is an abundant number, since it is smaller than the sum of its proper divisors (114404892).

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

66059364 is a wasteful number, since it uses less digits than its factorization.

66059364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19236 (or 19234 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 39.

The square root of 66059364 is about 8127.6911850783. The cubic root of 66059364 is about 404.2451294768.

The spelling of 66059364 in words is "sixty-six million, fifty-nine thousand, three hundred sixty-four".