2365551664 has 40 divisors (see below), whose sum is σ = 5326801920. Its totient is φ = 996621888.

The previous prime is 2365551637. The next prime is 2365551691. The reversal of 2365551664 is 4661555632.

It is an interprime number because it is at equal distance from previous prime (2365551637) and next prime (2365551691).

It is a self number, because there is not a number n which added to its sum of digits gives 2365551664.

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 7 ways as a sum of consecutive naturals, for example, 172384 + ... + 185599.

It is an arithmetic number, because the mean of its divisors is an integer number (133170048).

Almost surely, 2^2365551664 is an apocalyptic number.

It is an amenable number.

2365551664 is an abundant number, since it is smaller than the sum of its proper divisors (2961250256).

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

2365551664 is a wasteful number, since it uses less digits than its factorization.

2365551664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358057 (or 358051 counting only the distinct ones).

The product of its digits is 648000, while the sum is 43.

The square root of 2365551664 is about 48636.9372390984. The cubic root of 2365551664 is about 1332.4292129522.

The spelling of 2365551664 in words is "two billion, three hundred sixty-five million, five hundred fifty-one thousand, six hundred sixty-four".