16281228700 has 36 divisors (see below), whose sum is σ = 38542111272. Its totient is φ = 5920446400.

The previous prime is 16281228619. The next prime is 16281228701. The reversal of 16281228700 is 782218261.

It is a self number, because there is not a number n which added to its sum of digits gives 16281228700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16281228701) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7399459 + ... + 7401658.

It is an arithmetic number, because the mean of its divisors is an integer number (1070614202).

Almost surely, 2^16281228700 is an apocalyptic number.

16281228700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16281228700 is an abundant number, since it is smaller than the sum of its proper divisors (22260882572).

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

16281228700 is a wasteful number, since it uses less digits than its factorization.

16281228700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14801142 (or 14801135 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 37.

The spelling of 16281228700 in words is "sixteen billion, two hundred eighty-one million, two hundred twenty-eight thousand, seven hundred".