16332478280 has 32 divisors (see below), whose sum is σ = 38682187200. Its totient is φ = 6189149376.

The previous prime is 16332478271. The next prime is 16332478363. The reversal of 16332478280 is 8287423361.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10744292 + ... + 10745811.

It is an arithmetic number, because the mean of its divisors is an integer number (1208818350).

Almost surely, 2^16332478280 is an apocalyptic number.

16332478280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16332478280 is an abundant number, since it is smaller than the sum of its proper divisors (22349708920).

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

16332478280 is a wasteful number, since it uses less digits than its factorization.

16332478280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21490133 (or 21490129 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 44.

The spelling of 16332478280 in words is "sixteen billion, three hundred thirty-two million, four hundred seventy-eight thousand, two hundred eighty".