83388666 has 16 divisors (see below), whose sum is σ = 167841504. Its totient is φ = 27618864.

The previous prime is 83388661. The next prime is 83388707. The reversal of 83388666 is 66688338.

It is not an unprimeable number, because it can be changed into a prime (83388661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43320 + ... + 45203.

It is an arithmetic number, because the mean of its divisors is an integer number (10490094).

Almost surely, 2^83388666 is an apocalyptic number.

83388666 is an abundant number, since it is smaller than the sum of its proper divisors (84452838).

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

83388666 is a wasteful number, since it uses less digits than its factorization.

83388666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88685.

The product of its digits is 995328, while the sum is 48.

The square root of 83388666 is about 9131.7394838004. The cubic root of 83388666 is about 436.8868860522.

The spelling of 83388666 in words is "eighty-three million, three hundred eighty-eight thousand, six hundred sixty-six".