2602161564 has 48 divisors (see below), whose sum is σ = 6193206432. Its totient is φ = 850067712.

The previous prime is 2602161539. The next prime is 2602161623. The reversal of 2602161564 is 4651612062.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 769782 + ... + 773154.

It is an arithmetic number, because the mean of its divisors is an integer number (129025134).

Almost surely, 2^2602161564 is an apocalyptic number.

It is an amenable number.

2602161564 is an abundant number, since it is smaller than the sum of its proper divisors (3591044868).

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

2602161564 is a wasteful number, since it uses less digits than its factorization.

2602161564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4646 (or 4644 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 2602161564 is about 51011.3866112263. The cubic root of 2602161564 is about 1375.4498255416.

The spelling of 2602161564 in words is "two billion, six hundred two million, one hundred sixty-one thousand, five hundred sixty-four".