66676056 has 32 divisors (see below), whose sum is σ = 167622000. Its totient is φ = 22101120.

The previous prime is 66676031. The next prime is 66676069. The reversal of 66676056 is 65067666.

It is a junction number, because it is equal to n+sod(n) for n = 66675999 and 66676017.

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, 3331 + ... + 12018.

Almost surely, 2^66676056 is an apocalyptic number.

It is an amenable number.

66676056 is an abundant number, since it is smaller than the sum of its proper divisors (100945944).

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

66676056 is a wasteful number, since it uses less digits than its factorization.

66676056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15539 (or 15535 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 42.

The square root of 66676056 is about 8165.5407659260. The cubic root of 66676056 is about 405.4991680853.

The spelling of 66676056 in words is "sixty-six million, six hundred seventy-six thousand, fifty-six".