2166496201 has 16 divisors (see below), whose sum is σ = 2427418368. Its totient is φ = 1922905600.

The previous prime is 2166496193. The next prime is 2166496253. The reversal of 2166496201 is 1026946612.

It is a cyclic number.

It is not a de Polignac number, because 2166496201 - 2³ = 2166496193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2166496601) 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, 11260 + ... + 66781.

It is an arithmetic number, because the mean of its divisors is an integer number (151713648).

Almost surely, 2^2166496201 is an apocalyptic number.

It is an amenable number.

2166496201 is a deficient number, since it is larger than the sum of its proper divisors (260922167).

2166496201 is a wasteful number, since it uses less digits than its factorization.

2166496201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78152.

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 2166496201 is about 46545.6356815545. The cubic root of 2166496201 is about 1293.9554097184.

The spelling of 2166496201 in words is "two billion, one hundred sixty-six million, four hundred ninety-six thousand, two hundred one".