168489699 has 16 divisors (see below), whose sum is σ = 259998720. Its totient is φ = 95060160.

The previous prime is 168489691. The next prime is 168489707. The reversal of 168489699 is 996984861.

168489699 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (168489691) and next prime (168489707).

It is not a de Polignac number, because 168489699 - 2³ = 168489691 is a prime.

It is a super-2 number, since 2×168489699² = 56777557338221202, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (168489691) 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, 49122 + ... + 52439.

It is an arithmetic number, because the mean of its divisors is an integer number (16249920).

Almost surely, 2^168489699 is an apocalyptic number.

168489699 is a deficient number, since it is larger than the sum of its proper divisors (91509021).

168489699 is a wasteful number, since it uses less digits than its factorization.

168489699 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101650.

The product of its digits is 6718464, while the sum is 60.

The square root of 168489699 is about 12980.3581999882. The cubic root of 168489699 is about 552.3204431434.

The spelling of 168489699 in words is "one hundred sixty-eight million, four hundred eighty-nine thousand, six hundred ninety-nine".