16124780 has 48 divisors (see below), whose sum is σ = 39009600. Its totient is φ = 5484288.

The previous prime is 16124777. The next prime is 16124791. The reversal of 16124780 is 8742161.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20474 + ... + 21246.

It is an arithmetic number, because the mean of its divisors is an integer number (812700).

Almost surely, 2^16124780 is an apocalyptic number.

16124780 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 16124780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19504800).

16124780 is an abundant number, since it is smaller than the sum of its proper divisors (22884820).

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

16124780 is a wasteful number, since it uses less digits than its factorization.

16124780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 938 (or 936 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 16124780 is about 4015.5672077553. The cubic root of 16124780 is about 252.6375684039.

The spelling of 16124780 in words is "sixteen million, one hundred twenty-four thousand, seven hundred eighty".