169769680816 has 20 divisors (see below), whose sum is σ = 336578263912. Its totient is φ = 82910774016.

The previous prime is 169769680799. The next prime is 169769680823. The reversal of 169769680816 is 618086967961.

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, 123378441 + ... + 123379816.

Almost surely, 2^169769680816 is an apocalyptic number.

169769680816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

169769680816 is a deficient number, since it is larger than the sum of its proper divisors (166808583096).

169769680816 is a wasteful number, since it uses less digits than its factorization.

169769680816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246758308 (or 246758302 counting only the distinct ones).

The product of its (nonzero) digits is 47029248, while the sum is 67.

The spelling of 169769680816 in words is "one hundred sixty-nine billion, seven hundred sixty-nine million, six hundred eighty thousand, eight hundred sixteen".