118638078190 has 16 divisors (see below), whose sum is σ = 213672511728. Its totient is φ = 47427682176.

The previous prime is 118638078157. The next prime is 118638078191. The reversal of 118638078190 is 91870836811.

It is a super-2 number, since 2×118638078190² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118638078191) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3425547 + ... + 3460006.

It is an arithmetic number, because the mean of its divisors is an integer number (13354531983).

Almost surely, 2^118638078190 is an apocalyptic number.

118638078190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

118638078190 is a deficient number, since it is larger than the sum of its proper divisors (95034433538).

118638078190 is a wasteful number, since it uses less digits than its factorization.

118638078190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6887283.

The product of its (nonzero) digits is 580608, while the sum is 52.

The spelling of 118638078190 in words is "one hundred eighteen billion, six hundred thirty-eight million, seventy-eight thousand, one hundred ninety".