66364060 has 24 divisors (see below), whose sum is σ = 159274080. Its totient is φ = 22753344.

The previous prime is 66364049. The next prime is 66364063. The reversal of 66364060 is 6046366.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66364063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 236875 + ... + 237154.

It is an arithmetic number, because the mean of its divisors is an integer number (6636420).

Almost surely, 2^66364060 is an apocalyptic number.

It is an amenable number.

66364060 is an abundant number, since it is smaller than the sum of its proper divisors (92910020).

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

66364060 is a wasteful number, since it uses less digits than its factorization.

66364060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474045 (or 474043 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 31.

The square root of 66364060 is about 8146.4139349778. The cubic root of 66364060 is about 404.8656974796.

The spelling of 66364060 in words is "sixty-six million, three hundred sixty-four thousand, sixty".