2166103797 has 32 divisors (see below), whose sum is σ = 3571653120. Its totient is φ = 1148022720.

The previous prime is 2166103789. The next prime is 2166103837. The reversal of 2166103797 is 7973016612.

It is not a de Polignac number, because 2166103797 - 2³ = 2166103789 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2166103747) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 124723 + ... + 141024.

It is an arithmetic number, because the mean of its divisors is an integer number (111614160).

Almost surely, 2^2166103797 is an apocalyptic number.

It is an amenable number.

2166103797 is a deficient number, since it is larger than the sum of its proper divisors (1405549323).

2166103797 is a wasteful number, since it uses less digits than its factorization.

2166103797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265793.

The product of its (nonzero) digits is 95256, while the sum is 42.

The square root of 2166103797 is about 46541.4202297266. The cubic root of 2166103797 is about 1293.8772829659.

The spelling of 2166103797 in words is "two billion, one hundred sixty-six million, one hundred three thousand, seven hundred ninety-seven".