100661339 has 2 divisors, whose sum is σ = 100661340. Its totient is φ = 100661338.

The previous prime is 100661329. The next prime is 100661377. The reversal of 100661339 is 933166001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 100661339 - 2⁸ = 100661083 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (100661329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50330669 + 50330670.

It is an arithmetic number, because the mean of its divisors is an integer number (50330670).

Almost surely, 2^100661339 is an apocalyptic number.

100661339 is a deficient number, since it is larger than the sum of its proper divisors (1).

100661339 is an equidigital number, since it uses as much as digits as its factorization.

100661339 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2916, while the sum is 29.

The square root of 100661339 is about 10033.0124588779. The cubic root of 100661339 is about 465.1798571979.

The spelling of 100661339 in words is "one hundred million, six hundred sixty-one thousand, three hundred thirty-nine".