160985843479 has 2 divisors, whose sum is σ = 160985843480. Its totient is φ = 160985843478.

The previous prime is 160985843453. The next prime is 160985843563. The reversal of 160985843479 is 974348589061.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-160985843479 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 160985843479.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (160985843419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80492921739 + 80492921740.

It is an arithmetic number, because the mean of its divisors is an integer number (80492921740).

Almost surely, 2^160985843479 is an apocalyptic number.

160985843479 is a deficient number, since it is larger than the sum of its proper divisors (1).

160985843479 is an equidigital number, since it uses as much as digits as its factorization.

160985843479 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 52254720, while the sum is 64.

The spelling of 160985843479 in words is "one hundred sixty billion, nine hundred eighty-five million, eight hundred forty-three thousand, four hundred seventy-nine".