2165428088 has 16 divisors (see below), whose sum is σ = 4062021480. Its totient is φ = 1082222368.

The previous prime is 2165428061. The next prime is 2165428103. The reversal of 2165428088 is 8808245612.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42395 + ... + 78282.

Almost surely, 2^2165428088 is an apocalyptic number.

It is an amenable number.

2165428088 is a deficient number, since it is larger than the sum of its proper divisors (1896593392).

2165428088 is a wasteful number, since it uses less digits than its factorization.

2165428088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122926 (or 122922 counting only the distinct ones).

The product of its (nonzero) digits is 245760, while the sum is 44.

The square root of 2165428088 is about 46534.1604415509. The cubic root of 2165428088 is about 1293.7427287105.

The spelling of 2165428088 in words is "two billion, one hundred sixty-five million, four hundred twenty-eight thousand, eighty-eight".