116638705 has 8 divisors (see below), whose sum is σ = 141069312. Its totient is φ = 92575728.

The previous prime is 116638703. The next prime is 116638721. The reversal of 116638705 is 507836611.

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

It is a cyclic number.

It is not a de Polignac number, because 116638705 - 2¹ = 116638703 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (116638703) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 91207 + ... + 92476.

It is an arithmetic number, because the mean of its divisors is an integer number (17633664).

Almost surely, 2^116638705 is an apocalyptic number.

It is an amenable number.

116638705 is a deficient number, since it is larger than the sum of its proper divisors (24430607).

116638705 is a wasteful number, since it uses less digits than its factorization.

116638705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183815.

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 116638705 is about 10799.9400461299. The cubic root of 116638705 is about 488.5933627650.

The spelling of 116638705 in words is "one hundred sixteen million, six hundred thirty-eight thousand, seven hundred five".