2164464888 has 64 divisors (see below), whose sum is σ = 5914321920. Its totient is φ = 657139200.

The previous prime is 2164464881. The next prime is 2164464889. The reversal of 2164464888 is 8884644612.

It is a Harshad number since it is a multiple of its sum of digits (51).

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 2164464888.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2164464881) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72918 + ... + 98213.

It is an arithmetic number, because the mean of its divisors is an integer number (92411280).

Almost surely, 2^2164464888 is an apocalyptic number.

It is an amenable number.

2164464888 is an abundant number, since it is smaller than the sum of its proper divisors (3749857032).

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

2164464888 is a wasteful number, since it uses less digits than its factorization.

2164464888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171188 (or 171184 counting only the distinct ones).

The product of its digits is 2359296, while the sum is 51.

The square root of 2164464888 is about 46523.8099041770. The cubic root of 2164464888 is about 1293.5508778378.

The spelling of 2164464888 in words is "two billion, one hundred sixty-four million, four hundred sixty-four thousand, eight hundred eighty-eight".