66662360 has 16 divisors (see below), whose sum is σ = 149990400. Its totient is φ = 26664928.

The previous prime is 66662353. The next prime is 66662371. The reversal of 66662360 is 6326666.

It is a happy number.

It is a super-3 number, since 3×66662360³ (a number of 24 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 66662360.

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 3 ways as a sum of consecutive naturals, for example, 833240 + ... + 833319.

It is an arithmetic number, because the mean of its divisors is an integer number (9374400).

Almost surely, 2^66662360 is an apocalyptic number.

It is an amenable number.

66662360 is an abundant number, since it is smaller than the sum of its proper divisors (83328040).

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

66662360 is a wasteful number, since it uses less digits than its factorization.

66662360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1666570 (or 1666566 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 35.

The square root of 66662360 is about 8164.7020766223. The cubic root of 66662360 is about 405.4714015113.

The spelling of 66662360 in words is "sixty-six million, six hundred sixty-two thousand, three hundred sixty".