169907000709961 has 4 divisors (see below), whose sum is σ = 169907313172612. Its totient is φ = 169906688247312.

The previous prime is 169907000709947. The next prime is 169907000710049.

It is a happy number.

169907000709961 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 34413769005625 + 135493231704336 = 5866325^2 + 11640156^2 .

It is a cyclic number.

It is not a de Polignac number, because 169907000709961 - 2²¹ = 169906998612809 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 169907000709893 and 169907000709902.

It is not an unprimeable number, because it can be changed into a prime (169907000709461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 155414250 + ... + 156503683.

It is an arithmetic number, because the mean of its divisors is an integer number (42476828293153).

Almost surely, 2^{169907000709961} is an apocalyptic number.

It is an amenable number.

169907000709961 is a deficient number, since it is larger than the sum of its proper divisors (312462651).

169907000709961 is an equidigital number, since it uses as much as digits as its factorization.

169907000709961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312462650.

The product of its (nonzero) digits is 11573604, while the sum is 64.

The spelling of 169907000709961 in words is "one hundred sixty-nine trillion, nine hundred seven billion, seven hundred nine thousand, nine hundred sixty-one".