118161669 has 16 divisors (see below), whose sum is σ = 162110912. Its totient is φ = 76526208.

The previous prime is 118161653. The next prime is 118161671. The reversal of 118161669 is 966161811.

It is not a de Polignac number, because 118161669 - 2⁴ = 118161653 is a prime.

It is a super-2 number, since 2×118161669² = 27924360041731122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118161469) 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, 10647 + ... + 18699.

It is an arithmetic number, because the mean of its divisors is an integer number (10131932).

Almost surely, 2^118161669 is an apocalyptic number.

It is an amenable number.

118161669 is a deficient number, since it is larger than the sum of its proper divisors (43949243).

118161669 is an equidigital number, since it uses as much as digits as its factorization.

118161669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8196.

The product of its digits is 15552, while the sum is 39.

The square root of 118161669 is about 10870.2193630120. The cubic root of 118161669 is about 490.7107123785.

The spelling of 118161669 in words is "one hundred eighteen million, one hundred sixty-one thousand, six hundred sixty-nine".