169642022068 has 12 divisors (see below), whose sum is σ = 300940299940. Its totient is φ = 83659079232.

The previous prime is 169642022051. The next prime is 169642022087. The reversal of 169642022068 is 860220246961.

It can be written as a sum of positive squares in 2 ways, for example, as 60300695844 + 109341326224 = 245562^2 + 330668^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 290482623 + ... + 290483206.

Almost surely, 2^169642022068 is an apocalyptic number.

It is an amenable number.

169642022068 is a deficient number, since it is larger than the sum of its proper divisors (131298277872).

169642022068 is a wasteful number, since it uses less digits than its factorization.

169642022068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 580965906 (or 580965904 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 46.

The spelling of 169642022068 in words is "one hundred sixty-nine billion, six hundred forty-two million, twenty-two thousand, sixty-eight".