83173666394 has 32 divisors (see below), whose sum is σ = 153700377600. Its totient is φ = 32871940992.

The previous prime is 83173666379. The next prime is 83173666397. The reversal of 83173666394 is 49366637138.

It is not an unprimeable number, because it can be changed into a prime (83173666397) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33194 + ... + 409205.

It is an arithmetic number, because the mean of its divisors is an integer number (4803136800).

Almost surely, 2^83173666394 is an apocalyptic number.

83173666394 is a deficient number, since it is larger than the sum of its proper divisors (70526711206).

83173666394 is a wasteful number, since it uses less digits than its factorization.

83173666394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443454.

The product of its digits is 11757312, while the sum is 56.

The spelling of 83173666394 in words is "eighty-three billion, one hundred seventy-three million, six hundred sixty-six thousand, three hundred ninety-four".