16873272780 has 192 divisors, whose sum is σ = 58393724928. Its totient is φ = 3545026560.

The previous prime is 16873272727. The next prime is 16873272781. The reversal of 16873272780 is 8727237861.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (16873272781) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1309449 + ... + 1322271.

It is an arithmetic number, because the mean of its divisors is an integer number (304133984).

Almost surely, 2^16873272780 is an apocalyptic number.

16873272780 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 16873272780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29196862464).

16873272780 is an abundant number, since it is smaller than the sum of its proper divisors (41520452148).

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

16873272780 is a wasteful number, since it uses less digits than its factorization.

16873272780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13096 (or 13094 counting only the distinct ones).

The product of its (nonzero) digits is 1580544, while the sum is 51.

The spelling of 16873272780 in words is "sixteen billion, eight hundred seventy-three million, two hundred seventy-two thousand, seven hundred eighty".