16867086840 has 192 divisors, whose sum is σ = 57194242560. Its totient is φ = 4470526080.

The previous prime is 16867086839. The next prime is 16867086871. The reversal of 16867086840 is 4868076861.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

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, 1618045 + ... + 1628435.

It is an arithmetic number, because the mean of its divisors is an integer number (297886680).

Almost surely, 2^16867086840 is an apocalyptic number.

16867086840 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 16867086840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28597121280).

16867086840 is an abundant number, since it is smaller than the sum of its proper divisors (40327155720).

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

16867086840 is a wasteful number, since it uses less digits than its factorization.

16867086840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10584 (or 10568 counting only the distinct ones).

The product of its (nonzero) digits is 3096576, while the sum is 54.

The spelling of 16867086840 in words is "sixteen billion, eight hundred sixty-seven million, eighty-six thousand, eight hundred forty".