2097165492 has 90 divisors (see below), whose sum is σ = 5824129542. Its totient is φ = 657904896.

The previous prime is 2097165487. The next prime is 2097165493. The reversal of 2097165492 is 2945617902.

2097165492 is a `hidden beast` number, since 2 + 0 + 97 + 16 + 549 + 2 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 1460309796 + 636855696 = 38214^2 + 25236^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2097165493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 82438 + ... + 104834.

Almost surely, 2^2097165492 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2097165492, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2912064771).

2097165492 is an abundant number, since it is smaller than the sum of its proper divisors (3726964050).

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

2097165492 is a wasteful number, since it uses less digits than its factorization.

2097165492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22447 (or 22419 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The square root of 2097165492 is about 45794.8194886714. The cubic root of 2097165492 is about 1280.0027449485.

The spelling of 2097165492 in words is "two billion, ninety-seven million, one hundred sixty-five thousand, four hundred ninety-two".