83371664 has 10 divisors (see below), whose sum is σ = 161532630. Its totient is φ = 41685824.

The previous prime is 83371657. The next prime is 83371669. The reversal of 83371664 is 46617338.

It can be written as a sum of positive squares in only one way, i.e., 76038400 + 7333264 = 8720^2 + 2708^2 .

It is not an unprimeable number, because it can be changed into a prime (83371669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2605349 + ... + 2605380.

It is an arithmetic number, because the mean of its divisors is an integer number (16153263).

Almost surely, 2^83371664 is an apocalyptic number.

It is an amenable number.

83371664 is a deficient number, since it is larger than the sum of its proper divisors (78160966).

83371664 is a wasteful number, since it uses less digits than its factorization.

83371664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5210737 (or 5210731 counting only the distinct ones).

The product of its digits is 72576, while the sum is 38.

The square root of 83371664 is about 9130.8085074653. The cubic root of 83371664 is about 436.8571919460.

It can be divided in two parts, 8337 and 1664, that added together give a palindrome (10001).

The spelling of 83371664 in words is "eighty-three million, three hundred seventy-one thousand, six hundred sixty-four".