116638 has 8 divisors (see below), whose sum is σ = 181080. Its totient is φ = 56280.

The previous prime is 116593. The next prime is 116639. The reversal of 116638 is 836611.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 948 + ... + 1063.

It is an arithmetic number, because the mean of its divisors is an integer number (22635).

2¹¹⁶⁶³⁸ is an apocalyptic number.

116638 is a deficient number, since it is larger than the sum of its proper divisors (64442).

116638 is a wasteful number, since it uses less digits than its factorization.

116638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2042.

The product of its digits is 864, while the sum is 25.

The square root of 116638 is about 341.5230592508. The cubic root of 116638 is about 48.8592378360.

The spelling of 116638 in words is "one hundred sixteen thousand, six hundred thirty-eight".