2122691366 has 16 divisors (see below), whose sum is σ = 3487587840. Its totient is φ = 964467840.

The previous prime is 2122691357. The next prime is 2122691471. The reversal of 2122691366 is 6631962212.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1075430 + ... + 1077401.

It is an arithmetic number, because the mean of its divisors is an integer number (217974240).

Almost surely, 2^2122691366 is an apocalyptic number.

2122691366 is a deficient number, since it is larger than the sum of its proper divisors (1364896474).

2122691366 is a wasteful number, since it uses less digits than its factorization.

2122691366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2152879.

The product of its digits is 46656, while the sum is 38.

The square root of 2122691366 is about 46072.6748300986. The cubic root of 2122691366 is about 1285.1750463792.

The spelling of 2122691366 in words is "two billion, one hundred twenty-two million, six hundred ninety-one thousand, three hundred sixty-six".