16854369672 has 256 divisors, whose sum is σ = 52081920000. Its totient is φ = 4530629376.

The previous prime is 16854369607. The next prime is 16854369703. The reversal of 16854369672 is 27696345861.

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

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 30812103 + ... + 30812649.

It is an arithmetic number, because the mean of its divisors is an integer number (203445000).

Almost surely, 2^16854369672 is an apocalyptic number.

16854369672 is a gapful number since it is divisible by the number (12) 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 16854369672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26040960000).

16854369672 is an abundant number, since it is smaller than the sum of its proper divisors (35227550328).

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

16854369672 is a wasteful number, since it uses less digits than its factorization.

16854369672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 793 (or 775 counting only the distinct ones).

The product of its digits is 13063680, while the sum is 57.

The spelling of 16854369672 in words is "sixteen billion, eight hundred fifty-four million, three hundred sixty-nine thousand, six hundred seventy-two".