116640806 has 4 divisors (see below), whose sum is σ = 174961212. Its totient is φ = 58320402.

The previous prime is 116640781. The next prime is 116640809. The reversal of 116640806 is 608046611.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 608046611 = 431 ⋅1410781.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116640809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29160200 + ... + 29160203.

It is an arithmetic number, because the mean of its divisors is an integer number (43740303).

Almost surely, 2^116640806 is an apocalyptic number.

116640806 is a deficient number, since it is larger than the sum of its proper divisors (58320406).

116640806 is an equidigital number, since it uses as much as digits as its factorization.

116640806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58320405.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 116640806 is about 10800.0373147504. The cubic root of 116640806 is about 488.5962964066.

The spelling of 116640806 in words is "one hundred sixteen million, six hundred forty thousand, eight hundred six".