118066643 has 2 divisors, whose sum is σ = 118066644. Its totient is φ = 118066642.

The previous prime is 118066639. The next prime is 118066699. The reversal of 118066643 is 346660811.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 118066643 - 2² = 118066639 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (118066603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59033321 + 59033322.

It is an arithmetic number, because the mean of its divisors is an integer number (59033322).

Almost surely, 2^118066643 is an apocalyptic number.

118066643 is a deficient number, since it is larger than the sum of its proper divisors (1).

118066643 is an equidigital number, since it uses as much as digits as its factorization.

118066643 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 118066643 is about 10865.8475509276. The cubic root of 118066643 is about 490.5791333811.

The spelling of 118066643 in words is "one hundred eighteen million, sixty-six thousand, six hundred forty-three".