2166169308 has 24 divisors (see below), whose sum is σ = 5351712912. Its totient is φ = 679582464.

The previous prime is 2166169289. The next prime is 2166169331. The reversal of 2166169308 is 8039616612.

It is a self number, because there is not a number n which added to its sum of digits gives 2166169308.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5309035 + ... + 5309442.

It is an arithmetic number, because the mean of its divisors is an integer number (222988038).

Almost surely, 2^2166169308 is an apocalyptic number.

It is an amenable number.

2166169308 is an abundant number, since it is smaller than the sum of its proper divisors (3185543604).

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

2166169308 is a wasteful number, since it uses less digits than its factorization.

2166169308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10618501 (or 10618499 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 42.

The square root of 2166169308 is about 46542.1240168517. The cubic root of 2166169308 is about 1293.8903267145.

The spelling of 2166169308 in words is "two billion, one hundred sixty-six million, one hundred sixty-nine thousand, three hundred eight".