107666239 has 2 divisors, whose sum is σ = 107666240. Its totient is φ = 107666238.

The previous prime is 107666233. The next prime is 107666269. The reversal of 107666239 is 932666701.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-107666239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (107666233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53833119 + 53833120.

It is an arithmetic number, because the mean of its divisors is an integer number (53833120).

Almost surely, 2^107666239 is an apocalyptic number.

107666239 is a deficient number, since it is larger than the sum of its proper divisors (1).

107666239 is an equidigital number, since it uses as much as digits as its factorization.

107666239 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81648, while the sum is 40.

The square root of 107666239 is about 10376.2343362127. The cubic root of 107666239 is about 475.7292421873.

It can be divided in two parts, 1076662 and 39, that added together give a palindrome (1076701).

The spelling of 107666239 in words is "one hundred seven million, six hundred sixty-six thousand, two hundred thirty-nine".