2165888476 has 12 divisors (see below), whose sum is σ = 3814448008. Its totient is φ = 1076046192.

The previous prime is 2165888447. The next prime is 2165888477. The reversal of 2165888476 is 6748885612.

It is a hoax number, since the sum of its digits (55) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2165888477) 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, 1723806 + ... + 1725061.

Almost surely, 2^2165888476 is an apocalyptic number.

It is an amenable number.

2165888476 is a deficient number, since it is larger than the sum of its proper divisors (1648559532).

2165888476 is a wasteful number, since it uses less digits than its factorization.

2165888476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3449028 (or 3449026 counting only the distinct ones).

The product of its digits is 5160960, while the sum is 55.

The square root of 2165888476 is about 46539.1069531851. The cubic root of 2165888476 is about 1293.8344090306.

The spelling of 2165888476 in words is "two billion, one hundred sixty-five million, eight hundred eighty-eight thousand, four hundred seventy-six".