16129325724 has 12 divisors (see below), whose sum is σ = 37635093384. Its totient is φ = 5376441904.

The previous prime is 16129325689. The next prime is 16129325741. The reversal of 16129325724 is 42752392161.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 672055227 + ... + 672055250.

It is an arithmetic number, because the mean of its divisors is an integer number (3136257782).

Almost surely, 2^16129325724 is an apocalyptic number.

It is an amenable number.

16129325724 is an abundant number, since it is smaller than the sum of its proper divisors (21505767660).

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

16129325724 is a wasteful number, since it uses less digits than its factorization.

16129325724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1344110484 (or 1344110482 counting only the distinct ones).

The product of its digits is 181440, while the sum is 42.

The spelling of 16129325724 in words is "sixteen billion, one hundred twenty-nine million, three hundred twenty-five thousand, seven hundred twenty-four".