16271904380 has 48 divisors (see below), whose sum is σ = 36035690880. Its totient is φ = 6154843968.

The previous prime is 16271904377. The next prime is 16271904413. The reversal of 16271904380 is 8340917261.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 168719 + ... + 247001.

It is an arithmetic number, because the mean of its divisors is an integer number (750743560).

Almost surely, 2^16271904380 is an apocalyptic number.

16271904380 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 16271904380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18017845440).

16271904380 is an abundant number, since it is smaller than the sum of its proper divisors (19763786500).

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

16271904380 is a wasteful number, since it uses less digits than its factorization.

16271904380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78858 (or 78856 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 41.

The spelling of 16271904380 in words is "sixteen billion, two hundred seventy-one million, nine hundred four thousand, three hundred eighty".