160981616 has 20 divisors (see below), whose sum is σ = 312273912. Its totient is φ = 80394816.

The previous prime is 160981609. The next prime is 160981631. The reversal of 160981616 is 616189061.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 160981616.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8966 + ... + 20058.

Almost surely, 2^160981616 is an apocalyptic number.

160981616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

160981616 is a deficient number, since it is larger than the sum of its proper divisors (151292296).

160981616 is a wasteful number, since it uses less digits than its factorization.

160981616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12008 (or 12002 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 38.

The square root of 160981616 is about 12687.8530886829. The cubic root of 160981616 is about 543.9914755008.

The spelling of 160981616 in words is "one hundred sixty million, nine hundred eighty-one thousand, six hundred sixteen".