160989923 has 8 divisors (see below), whose sum is σ = 165610992. Its totient is φ = 156383136.

The previous prime is 160989887. The next prime is 160989929. The reversal of 160989923 is 329989061.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 160989923 - 2⁸ = 160989667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (160989929) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21836 + ... + 28262.

It is an arithmetic number, because the mean of its divisors is an integer number (20701374).

Almost surely, 2^160989923 is an apocalyptic number.

160989923 is a deficient number, since it is larger than the sum of its proper divisors (4621069).

160989923 is an equidigital number, since it uses as much as digits as its factorization.

160989923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7141.

The product of its (nonzero) digits is 209952, while the sum is 47.

The square root of 160989923 is about 12688.1804448077. The cubic root of 160989923 is about 544.0008323859. Note that the first 3 decimals are identical.

The spelling of 160989923 in words is "one hundred sixty million, nine hundred eighty-nine thousand, nine hundred twenty-three".