16160191793 has 4 divisors (see below), whose sum is σ = 16163008500. Its totient is φ = 16157375088.

The previous prime is 16160191783. The next prime is 16160191807. The reversal of 16160191793 is 39719106161.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1752510769 + 14407681024 = 41863^2 + 120032^2 .

It is a cyclic number.

It is not a de Polignac number, because 16160191793 - 2⁴ = 16160191777 is a prime.

It is a super-2 number, since 2×16160191793² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16160191783) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1399730 + ... + 1411227.

It is an arithmetic number, because the mean of its divisors is an integer number (4040752125).

Almost surely, 2^16160191793 is an apocalyptic number.

It is an amenable number.

16160191793 is a deficient number, since it is larger than the sum of its proper divisors (2816707).

16160191793 is an equidigital number, since it uses as much as digits as its factorization.

16160191793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2816706.

The product of its (nonzero) digits is 61236, while the sum is 44.

The spelling of 16160191793 in words is "sixteen billion, one hundred sixty million, one hundred ninety-one thousand, seven hundred ninety-three".