116658138 has 16 divisors (see below), whose sum is σ = 245596320. Its totient is φ = 36839376.

The previous prime is 116658137. The next prime is 116658167. The reversal of 116658138 is 831856611.

It is a junction number, because it is equal to n+sod(n) for n = 116658096 and 116658105.

It is not an unprimeable number, because it can be changed into a prime (116658137) 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, 511545 + ... + 511772.

It is an arithmetic number, because the mean of its divisors is an integer number (15349770).

Almost surely, 2^116658138 is an apocalyptic number.

116658138 is an abundant number, since it is smaller than the sum of its proper divisors (128938182).

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

116658138 is a wasteful number, since it uses less digits than its factorization.

116658138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1023341.

The product of its digits is 34560, while the sum is 39.

The square root of 116658138 is about 10800.8396895797. The cubic root of 116658138 is about 488.6204958610.

The spelling of 116658138 in words is "one hundred sixteen million, six hundred fifty-eight thousand, one hundred thirty-eight".