16889492046 has 128 divisors (see below), whose sum is σ = 41947914240. Its totient is φ = 4425321600.

The previous prime is 16889492023. The next prime is 16889492051. The reversal of 16889492046 is 64029498861.

It is a super-2 number, since 2×16889492046² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6228631 + ... + 6231341.

It is an arithmetic number, because the mean of its divisors is an integer number (327718080).

Almost surely, 2^16889492046 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16889492046, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20973957120).

16889492046 is an abundant number, since it is smaller than the sum of its proper divisors (25058422194).

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

16889492046 is a wasteful number, since it uses less digits than its factorization.

16889492046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2990.

The product of its (nonzero) digits is 5971968, while the sum is 57.

The spelling of 16889492046 in words is "sixteen billion, eight hundred eighty-nine million, four hundred ninety-two thousand, forty-six".