100106665639 has 2 divisors, whose sum is σ = 100106665640. Its totient is φ = 100106665638.

The previous prime is 100106665577. The next prime is 100106665727. The reversal of 100106665639 is 936566601001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 100106665639 - 2¹⁹ = 100106141351 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 100106665595 and 100106665604.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100106660639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50053332819 + 50053332820.

It is an arithmetic number, because the mean of its divisors is an integer number (50053332820).

Almost surely, 2^100106665639 is an apocalyptic number.

100106665639 is a deficient number, since it is larger than the sum of its proper divisors (1).

100106665639 is an equidigital number, since it uses as much as digits as its factorization.

100106665639 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 174960, while the sum is 43.

The spelling of 100106665639 in words is "one hundred billion, one hundred six million, six hundred sixty-five thousand, six hundred thirty-nine".