118688663 has 2 divisors, whose sum is σ = 118688664. Its totient is φ = 118688662.

The previous prime is 118688659. The next prime is 118688699. The reversal of 118688663 is 366886811.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 118688663 - 2² = 118688659 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (118688623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59344331 + 59344332.

It is an arithmetic number, because the mean of its divisors is an integer number (59344332).

Almost surely, 2^118688663 is an apocalyptic number.

118688663 is a deficient number, since it is larger than the sum of its proper divisors (1).

118688663 is an equidigital number, since it uses as much as digits as its factorization.

118688663 is an evil number, because the sum of its binary digits is even.

The product of its digits is 331776, while the sum is 47.

The square root of 118688663 is about 10894.4326607676. The cubic root of 118688663 is about 491.4391440373.

The spelling of 118688663 in words is "one hundred eighteen million, six hundred eighty-eight thousand, six hundred sixty-three".