160681968 has 50 divisors (see below), whose sum is σ = 465063984. Its totient is φ = 53560224.

The previous prime is 160681967. The next prime is 160681999. The reversal of 160681968 is 869186061.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (160681967) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 60696 + ... + 63287.

Almost surely, 2^160681968 is an apocalyptic number.

160681968 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

160681968 is an abundant number, since it is smaller than the sum of its proper divisors (304382016).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

160681968 is a wasteful number, since it uses less digits than its factorization.

160681968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124003 (or 123988 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 45.

The square root of 160681968 is about 12676.0391290024. The cubic root of 160681968 is about 543.6537408677.

The spelling of 160681968 in words is "one hundred sixty million, six hundred eighty-one thousand, nine hundred sixty-eight".