16317577574765 has 32 divisors (see below), whose sum is σ = 21137695269120. Its totient is φ = 12055535686656.

The previous prime is 16317577574729. The next prime is 16317577574789. The reversal of 16317577574765 is 56747577571361.

It is a cyclic number.

It is not a de Polignac number, because 16317577574765 - 2²² = 16317573380461 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 140655674 + ... + 140771636.

It is an arithmetic number, because the mean of its divisors is an integer number (660552977160).

Almost surely, 2^{16317577574765} is an apocalyptic number.

It is an amenable number.

16317577574765 is a deficient number, since it is larger than the sum of its proper divisors (4820117694355).

16317577574765 is a wasteful number, since it uses less digits than its factorization.

16317577574765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158213.

The product of its digits is 907578000, while the sum is 71.

The spelling of 16317577574765 in words is "sixteen trillion, three hundred seventeen billion, five hundred seventy-seven million, five hundred seventy-four thousand, seven hundred sixty-five".