2097165456 has 30 divisors (see below), whose sum is σ = 5869150950. Its totient is φ = 699055104.

The previous prime is 2097165431. The next prime is 2097165487. The reversal of 2097165456 is 6545617902.

2097165456 is a `hidden beast` number, since 2 + 0 + 97 + 16 + 545 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1128960000 + 968205456 = 33600^2 + 31116^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7281681 + ... + 7281968.

It is an arithmetic number, because the mean of its divisors is an integer number (195638365).

Almost surely, 2^2097165456 is an apocalyptic number.

It is an amenable number.

2097165456 is an abundant number, since it is smaller than the sum of its proper divisors (3771985494).

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

2097165456 is a wasteful number, since it uses less digits than its factorization.

2097165456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14563663 (or 14563654 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 45.

The square root of 2097165456 is about 45794.8190956139. The cubic root of 2097165456 is about 1280.0027376244.

The spelling of 2097165456 in words is "two billion, ninety-seven million, one hundred sixty-five thousand, four hundred fifty-six".