160985023649 has 16 divisors (see below), whose sum is σ = 168937537536. Its totient is φ = 153212677200.

The previous prime is 160985023627. The next prime is 160985023781. The reversal of 160985023649 is 946320589061.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-160985023649 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 160985023649.

It is not an unprimeable number, because it can be changed into a prime (160985023049) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1196894 + ... + 1324584.

It is an arithmetic number, because the mean of its divisors is an integer number (10558596096).

Almost surely, 2^160985023649 is an apocalyptic number.

It is an amenable number.

160985023649 is a deficient number, since it is larger than the sum of its proper divisors (7952513887).

160985023649 is a wasteful number, since it uses less digits than its factorization.

160985023649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128396.

The product of its (nonzero) digits is 2799360, while the sum is 53.

The spelling of 160985023649 in words is "one hundred sixty billion, nine hundred eighty-five million, twenty-three thousand, six hundred forty-nine".