83166370845 has 16 divisors (see below), whose sum is σ = 134561321280. Its totient is φ = 43857021824.

The previous prime is 83166370823. The next prime is 83166370853. The reversal of 83166370845 is 54807366138.

It is a cyclic number.

It is not a de Polignac number, because 83166370845 - 2¹⁷ = 83166239773 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31147119 + ... + 31149788.

It is an arithmetic number, because the mean of its divisors is an integer number (8410082580).

Almost surely, 2^83166370845 is an apocalyptic number.

It is an amenable number.

83166370845 is a deficient number, since it is larger than the sum of its proper divisors (51394950435).

83166370845 is a wasteful number, since it uses less digits than its factorization.

83166370845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62297004.

The product of its (nonzero) digits is 2903040, while the sum is 51.

The spelling of 83166370845 in words is "eighty-three billion, one hundred sixty-six million, three hundred seventy thousand, eight hundred forty-five".