1792872851665 has 32 divisors (see below), whose sum is σ = 2588490915840. Its totient is φ = 1164565771200.

The previous prime is 1792872851639. The next prime is 1792872851669. The reversal of 1792872851665 is 5661582782971.

It is not a de Polignac number, because 1792872851665 - 2⁷ = 1792872851537 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1792872851665.

It is not an unprimeable number, because it can be changed into a prime (1792872851669) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6128680 + ... + 6414550.

It is an arithmetic number, because the mean of its divisors is an integer number (80890341120).

Almost surely, 2^{1792872851665} is an apocalyptic number.

It is an amenable number.

1792872851665 is a deficient number, since it is larger than the sum of its proper divisors (795618064175).

1792872851665 is a wasteful number, since it uses less digits than its factorization.

1792872851665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295333.

The product of its digits is 101606400, while the sum is 67.

The spelling of 1792872851665 in words is "one trillion, seven hundred ninety-two billion, eight hundred seventy-two million, eight hundred fifty-one thousand, six hundred sixty-five".