160940506745 has 4 divisors (see below), whose sum is σ = 193128608100. Its totient is φ = 128752405392.

The previous prime is 160940506717. The next prime is 160940506759. The reversal of 160940506745 is 547605049061.

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 23070875881 + 137869630864 = 151891^2 + 371308^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-160940506745 is a prime.

It is a super-2 number, since 2×160940506745² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 160940506745.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16094050670 + ... + 16094050679.

It is an arithmetic number, because the mean of its divisors is an integer number (48282152025).

Almost surely, 2^160940506745 is an apocalyptic number.

It is an amenable number.

160940506745 is a deficient number, since it is larger than the sum of its proper divisors (32188101355).

160940506745 is an equidigital number, since it uses as much as digits as its factorization.

160940506745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32188101354.

The product of its (nonzero) digits is 907200, while the sum is 47.

The spelling of 160940506745 in words is "one hundred sixty billion, nine hundred forty million, five hundred six thousand, seven hundred forty-five".