169159680000 has 420 divisors, whose sum is σ = 610787991528. Its totient is φ = 45096960000.

The previous prime is 169159679993. The next prime is 169159680037. The reversal of 169159680000 is 86951961.

It is a super-2 number, since 2×169159680000² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 46078165 + ... + 46081835.

Almost surely, 2^169159680000 is an apocalyptic number.

169159680000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 169159680000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (305393995764).

169159680000 is an abundant number, since it is smaller than the sum of its proper divisors (441628311528).

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

169159680000 is an frugal number, since it uses more digits than its factorization.

169159680000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3723 (or 3681 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 45.

The spelling of 169159680000 in words is "one hundred sixty-nine billion, one hundred fifty-nine million, six hundred eighty thousand".