118115670 has 64 divisors (see below), whose sum is σ = 293388480. Its totient is φ = 30412800.

The previous prime is 118115663. The next prime is 118115687. The reversal of 118115670 is 76511811.

It is a super-2 number, since 2×118115670² = 27902622999097800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

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 31 ways as a sum of consecutive naturals, for example, 133630 + ... + 134510.

It is an arithmetic number, because the mean of its divisors is an integer number (4584195).

Almost surely, 2^118115670 is an apocalyptic number.

118115670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 118115670, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (146694240).

118115670 is an abundant number, since it is smaller than the sum of its proper divisors (175272810).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

118115670 is a wasteful number, since it uses less digits than its factorization.

118115670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1041.

The product of its (nonzero) digits is 1680, while the sum is 30.

The square root of 118115670 is about 10868.1033303884. The cubic root of 118115670 is about 490.6470280723.

The spelling of 118115670 in words is "one hundred eighteen million, one hundred fifteen thousand, six hundred seventy".