118160639 has 4 divisors (see below), whose sum is σ = 124379640. Its totient is φ = 111941640.

The previous prime is 118160621. The next prime is 118160663. The reversal of 118160639 is 936061811.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-118160639 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 118160599 and 118160608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118160839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3109472 + ... + 3109509.

It is an arithmetic number, because the mean of its divisors is an integer number (31094910).

Almost surely, 2^118160639 is an apocalyptic number.

118160639 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

118160639 is a deficient number, since it is larger than the sum of its proper divisors (6219001).

118160639 is an equidigital number, since it uses as much as digits as its factorization.

118160639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6219000.

The product of its (nonzero) digits is 7776, while the sum is 35.

The square root of 118160639 is about 10870.1719857599. The cubic root of 118160639 is about 490.7092865538.

The spelling of 118160639 in words is "one hundred eighteen million, one hundred sixty thousand, six hundred thirty-nine".