16045569000 has 576 divisors, whose sum is σ = 59769216000. Its totient is φ = 3877632000.

The previous prime is 16045568977. The next prime is 16045569013. The reversal of 16045569000 is 96554061.

16045569000 is a `hidden beast` number, since 16 + 0 + 4 + 556 + 90 + 0 + 0 = 666.

It is a super-2 number, since 2×16045569000² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 80630901 + ... + 80631099.

It is an arithmetic number, because the mean of its divisors is an integer number (103766000).

Almost surely, 2^16045569000 is an apocalyptic number.

16045569000 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 16045569000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29884608000).

16045569000 is an abundant number, since it is smaller than the sum of its proper divisors (43723647000).

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

16045569000 is a wasteful number, since it uses less digits than its factorization.

16045569000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291 (or 257 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The spelling of 16045569000 in words is "sixteen billion, forty-five million, five hundred sixty-nine thousand".