118416680647 has 4 divisors (see below), whose sum is σ = 118418118840. Its totient is φ = 118415242456.

The previous prime is 118416680617. The next prime is 118416680653. The reversal of 118416680647 is 746086614811.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 118416680647 - 2¹¹ = 118416678599 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 118416680594 and 118416680603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118416680617) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 587572 + ... + 762937.

It is an arithmetic number, because the mean of its divisors is an integer number (29604529710).

Almost surely, 2^118416680647 is an apocalyptic number.

118416680647 is a deficient number, since it is larger than the sum of its proper divisors (1438193).

118416680647 is an equidigital number, since it uses as much as digits as its factorization.

118416680647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1438192.

The product of its (nonzero) digits is 1548288, while the sum is 52.

The spelling of 118416680647 in words is "one hundred eighteen billion, four hundred sixteen million, six hundred eighty thousand, six hundred forty-seven".