118330691 has 4 divisors (see below), whose sum is σ = 119502384. Its totient is φ = 117159000.

The previous prime is 118330661. The next prime is 118330733. The reversal of 118330691 is 196033811.

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 118330691 - 2¹⁰ = 118329667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (118330601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 585695 + ... + 585896.

It is an arithmetic number, because the mean of its divisors is an integer number (29875596).

Almost surely, 2^118330691 is an apocalyptic number.

118330691 is a deficient number, since it is larger than the sum of its proper divisors (1171693).

118330691 is a wasteful number, since it uses less digits than its factorization.

118330691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1171692.

The product of its (nonzero) digits is 3888, while the sum is 32.

The square root of 118330691 is about 10877.9911288804. The cubic root of 118330691 is about 490.9445766851.

The spelling of 118330691 in words is "one hundred eighteen million, three hundred thirty thousand, six hundred ninety-one".