118670638 has 8 divisors (see below), whose sum is σ = 178430040. Its totient is φ = 59193960.

The previous prime is 118670627. The next prime is 118670647. The reversal of 118670638 is 836076811.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 118670638.

It is a congruent number.

It is an unprimeable number.

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, 69628 + ... + 71311.

It is an arithmetic number, because the mean of its divisors is an integer number (22303755).

Almost surely, 2^118670638 is an apocalyptic number.

118670638 is a deficient number, since it is larger than the sum of its proper divisors (59759402).

118670638 is a wasteful number, since it uses less digits than its factorization.

118670638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141362.

The product of its (nonzero) digits is 48384, while the sum is 40.

The square root of 118670638 is about 10893.6053719602. The cubic root of 118670638 is about 491.4142648315.

It can be divided in two parts, 1186 and 70638, that added together give a square (71824 = 268²).

The spelling of 118670638 in words is "one hundred eighteen million, six hundred seventy thousand, six hundred thirty-eight".