66964316 has 36 divisors (see below), whose sum is σ = 125627376. Its totient is φ = 31173120.

The previous prime is 66964301. The next prime is 66964349. The reversal of 66964316 is 61346966.

It is a super-3 number, since 3×66964316³ (a number of 24 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 154436 + ... + 154868.

Almost surely, 2^66964316 is an apocalyptic number.

It is an amenable number.

66964316 is a deficient number, since it is larger than the sum of its proper divisors (58663060).

66964316 is a wasteful number, since it uses less digits than its factorization.

66964316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 542 (or 499 counting only the distinct ones).

The product of its digits is 139968, while the sum is 41.

The square root of 66964316 is about 8183.1727343372. The cubic root of 66964316 is about 406.0826916266.

The spelling of 66964316 in words is "sixty-six million, nine hundred sixty-four thousand, three hundred sixteen".