66316700 has 18 divisors (see below), whose sum is σ = 143907456. Its totient is φ = 26526640.

The previous prime is 66316697. The next prime is 66316753. The reversal of 66316700 is 761366.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 331484 + ... + 331683.

Almost surely, 2^66316700 is an apocalyptic number.

It is an amenable number.

66316700 is an abundant number, since it is smaller than the sum of its proper divisors (77590756).

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

66316700 is a wasteful number, since it uses less digits than its factorization.

66316700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 663181 (or 663174 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 66316700 is about 8143.5066157031. The cubic root of 66316700 is about 404.7693652055.

It can be divided in two parts, 6631 and 6700, that added together give a palindrome (13331).

The spelling of 66316700 in words is "sixty-six million, three hundred sixteen thousand, seven hundred".