160719172993 has 4 divisors (see below), whose sum is σ = 160907590228. Its totient is φ = 160530755760.

The previous prime is 160719172897. The next prime is 160719173029. The reversal of 160719172993 is 399271917061.

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 11408803344 + 149310369649 = 106812^2 + 386407^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-160719172993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (160719172193) 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, 94207338 + ... + 94209043.

It is an arithmetic number, because the mean of its divisors is an integer number (40226897557).

Almost surely, 2^160719172993 is an apocalyptic number.

It is an amenable number.

160719172993 is a deficient number, since it is larger than the sum of its proper divisors (188417235).

160719172993 is an equidigital number, since it uses as much as digits as its factorization.

160719172993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188417234.

The product of its (nonzero) digits is 1285956, while the sum is 55.

The spelling of 160719172993 in words is "one hundred sixty billion, seven hundred nineteen million, one hundred seventy-two thousand, nine hundred ninety-three".