16451739722880 has 1024 divisors, whose sum is σ = 72698831769600. Its totient is φ = 3415965696000.

The previous prime is 16451739722851. The next prime is 16451739722917. The reversal of 16451739722880 is 8822793715461.

16451739722880 is a `hidden beast` number, since 1 + 6 + 4 + 5 + 17 + 397 + 228 + 8 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

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 127 ways as a sum of consecutive naturals, for example, 2130222699 + ... + 2130230421.

It is an arithmetic number, because the mean of its divisors is an integer number (70994952900).

It is a 1-persistent number, because it is pandigital, but 2⋅16451739722880 = 32903479445760 is not.

Almost surely, 2^{16451739722880} is an apocalyptic number.

16451739722880 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 16451739722880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36349415884800).

16451739722880 is an abundant number, since it is smaller than the sum of its proper divisors (56247092046720).

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

16451739722880 is a wasteful number, since it uses less digits than its factorization.

16451739722880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9370 (or 9352 counting only the distinct ones).

The product of its (nonzero) digits is 40642560, while the sum is 63.

The spelling of 16451739722880 in words is "sixteen trillion, four hundred fifty-one billion, seven hundred thirty-nine million, seven hundred twenty-two thousand, eight hundred eighty".