168160690 has 16 divisors (see below), whose sum is σ = 302884992. Its totient is φ = 67220784.

The previous prime is 168160667. The next prime is 168160691. The reversal of 168160690 is 96061861.

168160690 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×168160690² = 56556035322552200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (168160691) 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, 14167 + ... + 23173.

It is an arithmetic number, because the mean of its divisors is an integer number (18930312).

Almost surely, 2^168160690 is an apocalyptic number.

168160690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

168160690 is a deficient number, since it is larger than the sum of its proper divisors (134724302).

168160690 is a wasteful number, since it uses less digits than its factorization.

168160690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10881.

The product of its (nonzero) digits is 15552, while the sum is 37.

The square root of 168160690 is about 12967.6786665926. The cubic root of 168160690 is about 551.9607044246.

The spelling of 168160690 in words is "one hundred sixty-eight million, one hundred sixty thousand, six hundred ninety".