116408638 has 8 divisors (see below), whose sum is σ = 175003200. Its totient is φ = 58074240.

The previous prime is 116408629. The next prime is 116408641. The reversal of 116408638 is 836804611.

116408638 is nontrivially palindromic in base 8.

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 = 116408597 and 116408606.

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, 63918 + ... + 65713.

It is an arithmetic number, because the mean of its divisors is an integer number (21875400).

Almost surely, 2^116408638 is an apocalyptic number.

116408638 is a deficient number, since it is larger than the sum of its proper divisors (58594562).

116408638 is a wasteful number, since it uses less digits than its factorization.

116408638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130082.

The product of its (nonzero) digits is 27648, while the sum is 37.

The square root of 116408638 is about 10789.2834794531. The cubic root of 116408638 is about 488.2719051538.

The spelling of 116408638 in words is "one hundred sixteen million, four hundred eight thousand, six hundred thirty-eight".