83664056 has 32 divisors (see below), whose sum is σ = 179712000. Its totient is φ = 35769696.

The previous prime is 83664047. The next prime is 83664103. The reversal of 83664056 is 65046638.

It is a super-2 number, since 2×83664056² = 13999348532742272, which contains 22 as substring.

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, 25265 + ... + 28383.

It is an arithmetic number, because the mean of its divisors is an integer number (5616000).

Almost surely, 2^83664056 is an apocalyptic number.

It is an amenable number.

83664056 is an abundant number, since it is smaller than the sum of its proper divisors (96047944).

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

83664056 is a wasteful number, since it uses less digits than its factorization.

83664056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3611 (or 3607 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 38.

The square root of 83664056 is about 9146.8057812550. The cubic root of 83664056 is about 437.3672953705.

The spelling of 83664056 in words is "eighty-three million, six hundred sixty-four thousand, fifty-six".