83993164 has 12 divisors (see below), whose sum is σ = 152056800. Its totient is φ = 40548368.

The previous prime is 83993153. The next prime is 83993191. The reversal of 83993164 is 46139938.

It is a self number, because there is not a number n which added to its sum of digits gives 83993164.

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, 361924 + ... + 362155.

It is an arithmetic number, because the mean of its divisors is an integer number (12671400).

Almost surely, 2^83993164 is an apocalyptic number.

It is an amenable number.

83993164 is a deficient number, since it is larger than the sum of its proper divisors (68063636).

83993164 is a wasteful number, since it uses less digits than its factorization.

83993164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 724112 (or 724110 counting only the distinct ones).

The product of its digits is 139968, while the sum is 43.

The square root of 83993164 is about 9164.7784479495. The cubic root of 83993164 is about 437.9400333519.

The spelling of 83993164 in words is "eighty-three million, nine hundred ninety-three thousand, one hundred sixty-four".