2166462306 has 12 divisors (see below), whose sum is σ = 4694001702. Its totient is φ = 722154096.

The previous prime is 2166462271. The next prime is 2166462341. The reversal of 2166462306 is 6032646612.

2166462306 is a `hidden beast` number, since 2 + 1 + 6 + 646 + 2 + 3 + 0 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (2166462271) and next prime (2166462341).

It can be written as a sum of positive squares in only one way, i.e., 2166437025 + 25281 = 46545^2 + 159^2 .

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 60179491 + ... + 60179526.

Almost surely, 2^2166462306 is an apocalyptic number.

2166462306 is an abundant number, since it is smaller than the sum of its proper divisors (2527539396).

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

2166462306 is a wasteful number, since it uses less digits than its factorization.

2166462306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120359025 (or 120359022 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 36.

The square root of 2166462306 is about 46545.2715751020. The cubic root of 2166462306 is about 1293.9486616725.

The spelling of 2166462306 in words is "two billion, one hundred sixty-six million, four hundred sixty-two thousand, three hundred six".