66360964 has 12 divisors (see below), whose sum is σ = 116248384. Its totient is φ = 33147144.

The previous prime is 66360947. The next prime is 66360971. The reversal of 66360964 is 46906366.

66360964 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3552 + ... + 12055.

Almost surely, 2^66360964 is an apocalyptic number.

It is an amenable number.

66360964 is a deficient number, since it is larger than the sum of its proper divisors (49887420).

66360964 is a wasteful number, since it uses less digits than its factorization.

66360964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16674 (or 16672 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 40.

The square root of 66360964 is about 8146.2239104999. The cubic root of 66360964 is about 404.8594014830.

The spelling of 66360964 in words is "sixty-six million, three hundred sixty thousand, nine hundred sixty-four".