2126187266 has 32 divisors (see below), whose sum is σ = 3854269440. Its totient is φ = 860313600.

The previous prime is 2126187227. The next prime is 2126187281. The reversal of 2126187266 is 6627816212.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41951 + ... + 77538.

It is an arithmetic number, because the mean of its divisors is an integer number (120445920).

Almost surely, 2^2126187266 is an apocalyptic number.

2126187266 is a deficient number, since it is larger than the sum of its proper divisors (1728082174).

2126187266 is a wasteful number, since it uses less digits than its factorization.

2126187266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119570.

The product of its digits is 96768, while the sum is 41.

The square root of 2126187266 is about 46110.5981960764. The cubic root of 2126187266 is about 1285.8801856695.

The spelling of 2126187266 in words is "two billion, one hundred twenty-six million, one hundred eighty-seven thousand, two hundred sixty-six".