160489381 has 16 divisors (see below), whose sum is σ = 177952320. Its totient is φ = 143821440.

The previous prime is 160489379. The next prime is 160489411. The reversal of 160489381 is 183984061.

It is a cyclic number.

It is not a de Polignac number, because 160489381 - 2¹ = 160489379 is a prime.

It is a super-2 number, since 2×160489381² = 51513682827526322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (160489481) 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, 62401 + ... + 64921.

It is an arithmetic number, because the mean of its divisors is an integer number (11122020).

Almost surely, 2^160489381 is an apocalyptic number.

It is an amenable number.

160489381 is a deficient number, since it is larger than the sum of its proper divisors (17462939).

160489381 is a wasteful number, since it uses less digits than its factorization.

160489381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2676.

The product of its (nonzero) digits is 41472, while the sum is 40.

The square root of 160489381 is about 12668.4403538873. The cubic root of 160489381 is about 543.4364534683.

The spelling of 160489381 in words is "one hundred sixty million, four hundred eighty-nine thousand, three hundred eighty-one".