8166265079 has 16 divisors (see below), whose sum is σ = 9780744000. Its totient is φ = 6810465312.

The previous prime is 8166265033. The next prime is 8166265091. The reversal of 8166265079 is 9705626618.

It is a de Polignac number, because none of the positive numbers 2^k-8166265079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8166265099) 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, 309044 + ... + 334425.

It is an arithmetic number, because the mean of its divisors is an integer number (611296500).

Almost surely, 2^8166265079 is an apocalyptic number.

8166265079 is a deficient number, since it is larger than the sum of its proper divisors (1614478921).

8166265079 is an equidigital number, since it uses as much as digits as its factorization.

8166265079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 643527 (or 643513 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 50.

The square root of 8166265079 is about 90367.3894665548. The cubic root of 8166265079 is about 2013.7605300245.

The spelling of 8166265079 in words is "eight billion, one hundred sixty-six million, two hundred sixty-five thousand, seventy-nine".