16165562716643 has 8 divisors (see below), whose sum is σ = 16960590393216. Its totient is φ = 15387632409600.

The previous prime is 16165562716627. The next prime is 16165562716649. The reversal of 16165562716643 is 34661726556161.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16165562716643 - 2⁴ = 16165562716627 is a prime.

It is a super-2 number, since 2×16165562716643² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16165562716649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4274340446 + ... + 4274344227.

It is an arithmetic number, because the mean of its divisors is an integer number (2120073799152).

Almost surely, 2^{16165562716643} is an apocalyptic number.

16165562716643 is a deficient number, since it is larger than the sum of its proper divisors (795027676573).

16165562716643 is an equidigital number, since it uses as much as digits as its factorization.

16165562716643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8548684765.

The product of its digits is 32659200, while the sum is 59.

The spelling of 16165562716643 in words is "sixteen trillion, one hundred sixty-five billion, five hundred sixty-two million, seven hundred sixteen thousand, six hundred forty-three".