169628317140 has 24 divisors (see below), whose sum is σ = 474959288160. Its totient is φ = 45234217888.

The previous prime is 169628317139. The next prime is 169628317171. The reversal of 169628317140 is 41713826961.

It is a self number, because there is not a number n which added to its sum of digits gives 169628317140.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1413569250 + ... + 1413569369.

It is an arithmetic number, because the mean of its divisors is an integer number (19789970340).

Almost surely, 2^169628317140 is an apocalyptic number.

169628317140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

169628317140 is an abundant number, since it is smaller than the sum of its proper divisors (305330971020).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

169628317140 is a wasteful number, since it uses less digits than its factorization.

169628317140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2827138631 (or 2827138629 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 48.

The spelling of 169628317140 in words is "one hundred sixty-nine billion, six hundred twenty-eight million, three hundred seventeen thousand, one hundred forty".