2153022516 has 18 divisors (see below), whose sum is σ = 5442362562. Its totient is φ = 717674160.

The previous prime is 2153022499. The next prime is 2153022527. The reversal of 2153022516 is 6152203512.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2043401616 + 109620900 = 45204^2 + 10470^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a self number, because there is not a number n which added to its sum of digits gives 2153022516.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 29903055 + ... + 29903126.

Almost surely, 2^2153022516 is an apocalyptic number.

It is an amenable number.

2153022516 is an abundant number, since it is smaller than the sum of its proper divisors (3289340046).

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

2153022516 is a wasteful number, since it uses less digits than its factorization.

2153022516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59806191 (or 59806186 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 2153022516 is about 46400.6736589028. The cubic root of 2153022516 is about 1291.2674113057.

The spelling of 2153022516 in words is "two billion, one hundred fifty-three million, twenty-two thousand, five hundred sixteen".