66364630 has 16 divisors (see below), whose sum is σ = 120800160. Its totient is φ = 26247232.

The previous prime is 66364621. The next prime is 66364657. The reversal of 66364630 is 3646366.

It is a congruent number.

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, 36394 + ... + 38173.

It is an arithmetic number, because the mean of its divisors is an integer number (7550010).

Almost surely, 2^66364630 is an apocalyptic number.

66364630 is a deficient number, since it is larger than the sum of its proper divisors (54435530).

66364630 is a wasteful number, since it uses less digits than its factorization.

66364630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74663.

The product of its (nonzero) digits is 46656, while the sum is 34.

The square root of 66364630 is about 8146.4489196214. The cubic root of 66364630 is about 404.8668566049.

It can be divided in two parts, 6 and 6364630, that added together give a palindrome (6364636).

The spelling of 66364630 in words is "sixty-six million, three hundred sixty-four thousand, six hundred thirty".