2662166688 has 24 divisors (see below), whose sum is σ = 6988187808. Its totient is φ = 887388864.

The previous prime is 2662166681. The next prime is 2662166707. The reversal of 2662166688 is 8866612662.

It is a tau number, because it is divible by the number of its divisors (24).

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 2662166688.

It is not an unprimeable number, because it can be changed into a prime (2662166681) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13865356 + ... + 13865547.

It is an arithmetic number, because the mean of its divisors is an integer number (291174492).

Almost surely, 2^2662166688 is an apocalyptic number.

It is an amenable number.

2662166688 is an abundant number, since it is smaller than the sum of its proper divisors (4326021120).

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

2662166688 is a wasteful number, since it uses less digits than its factorization.

2662166688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27730916 (or 27730908 counting only the distinct ones).

The product of its digits is 1990656, while the sum is 51.

The square root of 2662166688 is about 51596.1886964532. The cubic root of 2662166688 is about 1385.9420817902.

The spelling of 2662166688 in words is "two billion, six hundred sixty-two million, one hundred sixty-six thousand, six hundred eighty-eight".