2118943662 has 16 divisors (see below), whose sum is σ = 4623149952. Its totient is φ = 642104120.

The previous prime is 2118943613. The next prime is 2118943679. The reversal of 2118943662 is 2663498112.

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, 16052538 + ... + 16052669.

It is an arithmetic number, because the mean of its divisors is an integer number (288946872).

Almost surely, 2^2118943662 is an apocalyptic number.

2118943662 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2118943662 is an abundant number, since it is smaller than the sum of its proper divisors (2504206290).

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

2118943662 is a wasteful number, since it uses less digits than its factorization.

2118943662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32105223.

The product of its digits is 124416, while the sum is 42.

The square root of 2118943662 is about 46031.9852059413. The cubic root of 2118943662 is about 1284.4182566614.

The spelling of 2118943662 in words is "two billion, one hundred eighteen million, nine hundred forty-three thousand, six hundred sixty-two".