2111799162 has 16 divisors (see below), whose sum is σ = 4607561952. Its totient is φ = 639939120.

The previous prime is 2111799127. The next prime is 2111799167. The reversal of 2111799162 is 2619971112.

It is a self number, because there is not a number n which added to its sum of digits gives 2111799162.

It is not an unprimeable number, because it can be changed into a prime (2111799167) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15998413 + ... + 15998544.

It is an arithmetic number, because the mean of its divisors is an integer number (287972622).

Almost surely, 2^2111799162 is an apocalyptic number.

2111799162 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2111799162 is an abundant number, since it is smaller than the sum of its proper divisors (2495762790).

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

2111799162 is a wasteful number, since it uses less digits than its factorization.

2111799162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31996973.

The product of its digits is 13608, while the sum is 39.

The square root of 2111799162 is about 45954.3160323380. The cubic root of 2111799162 is about 1282.9730618468.

The spelling of 2111799162 in words is "two billion, one hundred eleven million, seven hundred ninety-nine thousand, one hundred sixty-two".