2153164490 has 16 divisors (see below), whose sum is σ = 3876576840. Its totient is φ = 861070080.

The previous prime is 2153164483. The next prime is 2153164553. The reversal of 2153164490 is 944613512.

It can be written as a sum of positive squares in 4 ways, for example, as 1922033281 + 231131209 = 43841^2 + 15203^2 .

It is a super-2 number, since 2×2153164490² = 9272234641993920200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2153164490.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26870 + ... + 70910.

Almost surely, 2^2153164490 is an apocalyptic number.

2153164490 is a deficient number, since it is larger than the sum of its proper divisors (1723412350).

2153164490 is a wasteful number, since it uses less digits than its factorization.

2153164490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48937.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 2153164490 is about 46402.2035037131. The cubic root of 2153164490 is about 1291.2957934783.

The spelling of 2153164490 in words is "two billion, one hundred fifty-three million, one hundred sixty-four thousand, four hundred ninety".