169775580664 has 16 divisors (see below), whose sum is σ = 318340152000. Its totient is φ = 84884873472.

The previous prime is 169775580647. The next prime is 169775580673. The reversal of 169775580664 is 466085577961.

It is a junction number, because it is equal to n+sod(n) for n = 169775580596 and 169775580605.

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, 106489 + ... + 592360.

It is an arithmetic number, because the mean of its divisors is an integer number (19896259500).

Almost surely, 2^169775580664 is an apocalyptic number.

It is an amenable number.

169775580664 is a deficient number, since it is larger than the sum of its proper divisors (148564571336).

169775580664 is a wasteful number, since it uses less digits than its factorization.

169775580664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 729222 (or 729218 counting only the distinct ones).

The product of its (nonzero) digits is 76204800, while the sum is 64.

The spelling of 169775580664 in words is "one hundred sixty-nine billion, seven hundred seventy-five million, five hundred eighty thousand, six hundred sixty-four".