116813638 has 8 divisors (see below), whose sum is σ = 175280832. Its totient is φ = 58386696.

The previous prime is 116813603. The next prime is 116813663. The reversal of 116813638 is 836318611.

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

It is a junction number, because it is equal to n+sod(n) for n = 116813597 and 116813606.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1270 + ... + 15337.

It is an arithmetic number, because the mean of its divisors is an integer number (21910104).

Almost surely, 2^116813638 is an apocalyptic number.

116813638 is a deficient number, since it is larger than the sum of its proper divisors (58467194).

116813638 is a wasteful number, since it uses less digits than its factorization.

116813638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20126.

The product of its digits is 20736, while the sum is 37.

The square root of 116813638 is about 10808.0358067505. The cubic root of 116813638 is about 488.8375024464.

The spelling of 116813638 in words is "one hundred sixteen million, eight hundred thirteen thousand, six hundred thirty-eight".