169426102561 has 8 divisors (see below), whose sum is σ = 174035269760. Its totient is φ = 164818518768.

The previous prime is 169426102553. The next prime is 169426102577. The reversal of 169426102561 is 165201624961.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 169426102561 - 2³ = 169426102553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (169426102591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 177321 + ... + 608518.

It is an arithmetic number, because the mean of its divisors is an integer number (21754408720).

Almost surely, 2^169426102561 is an apocalyptic number.

It is an amenable number.

169426102561 is a deficient number, since it is larger than the sum of its proper divisors (4609167199).

169426102561 is an equidigital number, since it uses as much as digits as its factorization.

169426102561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 791703.

The product of its (nonzero) digits is 155520, while the sum is 43.

The spelling of 169426102561 in words is "one hundred sixty-nine billion, four hundred twenty-six million, one hundred two thousand, five hundred sixty-one".