1608173844870 has 16 divisors (see below), whose sum is σ = 3859617227760. Its totient is φ = 428846358624.

The previous prime is 1608173844857. The next prime is 1608173844889. The reversal of 1608173844870 is 784483718061.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1608173844870.

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, 26802897385 + ... + 26802897444.

It is an arithmetic number, because the mean of its divisors is an integer number (241226076735).

Almost surely, 2^{1608173844870} is an apocalyptic number.

1608173844870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1608173844870 is an abundant number, since it is smaller than the sum of its proper divisors (2251443382890).

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

1608173844870 is a wasteful number, since it uses less digits than its factorization.

1608173844870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53605794839.

The product of its (nonzero) digits is 7225344, while the sum is 57.

The spelling of 1608173844870 in words is "one trillion, six hundred eight billion, one hundred seventy-three million, eight hundred forty-four thousand, eight hundred seventy".