118690669 has 4 divisors (see below), whose sum is σ = 118950844. Its totient is φ = 118430496.

The previous prime is 118690657. The next prime is 118690673. The reversal of 118690669 is 966096811.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 966096811 = 10861 ⋅88951.

It can be written as a sum of positive squares in 2 ways, for example, as 87665769 + 31024900 = 9363^2 + 5570^2 .

It is a cyclic number.

It is not a de Polignac number, because 118690669 - 2⁹ = 118690157 is a prime.

It is a super-2 number, since 2×118690669² = 28174949815335122, 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 (118690619) 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, 129402 + ... + 130315.

It is an arithmetic number, because the mean of its divisors is an integer number (29737711).

Almost surely, 2^118690669 is an apocalyptic number.

It is an amenable number.

118690669 is a deficient number, since it is larger than the sum of its proper divisors (260175).

118690669 is an equidigital number, since it uses as much as digits as its factorization.

118690669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260174.

The product of its (nonzero) digits is 139968, while the sum is 46.

The square root of 118690669 is about 10894.5247257510. The cubic root of 118690669 is about 491.4419126852.

The spelling of 118690669 in words is "one hundred eighteen million, six hundred ninety thousand, six hundred sixty-nine".