66522316 has 12 divisors (see below), whose sum is σ = 133044688. Its totient is φ = 28509552.

The previous prime is 66522301. The next prime is 66522331. The reversal of 66522316 is 61322566.

It is an interprime number because it is at equal distance from previous prime (66522301) and next prime (66522331).

66522316 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1187871 + ... + 1187926.

Almost surely, 2^66522316 is an apocalyptic number.

It is an amenable number.

66522316 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

66522316 is a wasteful number, since it uses less digits than its factorization.

66522316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2375808 (or 2375806 counting only the distinct ones).

The product of its digits is 12960, while the sum is 31.

The square root of 66522316 is about 8156.1213821277. The cubic root of 66522316 is about 405.1872649202.

The spelling of 66522316 in words is "sixty-six million, five hundred twenty-two thousand, three hundred sixteen".