16840145168 has 240 divisors, whose sum is σ = 42939626688. Its totient is φ = 6322176000.

The previous prime is 16840145149. The next prime is 16840145177. The reversal of 16840145168 is 86154104861.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 34297403 + ... + 34297893.

Almost surely, 2^16840145168 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16840145168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21469813344).

16840145168 is an abundant number, since it is smaller than the sum of its proper divisors (26099481520).

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

16840145168 is a wasteful number, since it uses less digits than its factorization.

16840145168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 662 (or 649 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 44.

The spelling of 16840145168 in words is "sixteen billion, eight hundred forty million, one hundred forty-five thousand, one hundred sixty-eight".