160489999 has 4 divisors (see below), whose sum is σ = 160527136. Its totient is φ = 160452864.

The previous prime is 160489993. The next prime is 160490009. The reversal of 160489999 is 999984061.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 160489999 - 2¹³ = 160481807 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (160489993) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11079 + ... + 21064.

It is an arithmetic number, because the mean of its divisors is an integer number (40131784).

Almost surely, 2^160489999 is an apocalyptic number.

160489999 is a deficient number, since it is larger than the sum of its proper divisors (37137).

160489999 is an equidigital number, since it uses as much as digits as its factorization.

160489999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37136.

The product of its (nonzero) digits is 1259712, while the sum is 55.

The square root of 160489999 is about 12668.4647451852. The cubic root of 160489999 is about 543.4371510083.

The spelling of 160489999 in words is "one hundred sixty million, four hundred eighty-nine thousand, nine hundred ninety-nine".