16124398499860 has 72 divisors (see below), whose sum is σ = 39587540227200. Its totient is φ = 5500584403776.

The previous prime is 16124398499849. The next prime is 16124398499873. The reversal of 16124398499860 is 6899489342161.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (70).

It is a self number, because there is not a number n which added to its sum of digits gives 16124398499860.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 41145352 + ... + 41535391.

It is an arithmetic number, because the mean of its divisors is an integer number (549826947600).

Almost surely, 2^{16124398499860} is an apocalyptic number.

16124398499860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16124398499860 is an abundant number, since it is smaller than the sum of its proper divisors (23463141727340).

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

16124398499860 is a wasteful number, since it uses less digits than its factorization.

16124398499860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82680965 (or 82680956 counting only the distinct ones).

The product of its (nonzero) digits is 161243136, while the sum is 70.

The spelling of 16124398499860 in words is "sixteen trillion, one hundred twenty-four billion, three hundred ninety-eight million, four hundred ninety-nine thousand, eight hundred sixty".