16860009792 has 224 divisors, whose sum is σ = 48495386880. Its totient is φ = 5153505280.

The previous prime is 16860009787. The next prime is 16860009799. The reversal of 16860009792 is 29790006861.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16860009799) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 22154692 + ... + 22155452.

Almost surely, 2^16860009792 is an apocalyptic number.

16860009792 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 16860009792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24247693440).

16860009792 is an abundant number, since it is smaller than the sum of its proper divisors (31635377088).

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

16860009792 is a wasteful number, since it uses less digits than its factorization.

16860009792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1001 (or 991 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 48.

The spelling of 16860009792 in words is "sixteen billion, eight hundred sixty million, nine thousand, seven hundred ninety-two".