169979000101 has 2 divisors, whose sum is σ = 169979000102. Its totient is φ = 169979000100.

The previous prime is 169979000071. The next prime is 169979000141. The reversal of 169979000101 is 101000979961.

It is a happy number.

169979000101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 151652609476 + 18326390625 = 389426^2 + 135375^2 .

It is a cyclic number.

It is not a de Polignac number, because 169979000101 - 2¹³ = 169978991909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (169979000141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84989500050 + 84989500051.

It is an arithmetic number, because the mean of its divisors is an integer number (84989500051).

Almost surely, 2^169979000101 is an apocalyptic number.

169979000101 is the 184380-th centered decagonal number.

It is an amenable number.

169979000101 is a deficient number, since it is larger than the sum of its proper divisors (1).

169979000101 is an equidigital number, since it uses as much as digits as its factorization.

169979000101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30618, while the sum is 43.

The spelling of 169979000101 in words is "one hundred sixty-nine billion, nine hundred seventy-nine million, one hundred one", and thus it is an aban number.