16386261524512 has 192 divisors, whose sum is σ = 38308279459968. Its totient is φ = 6814818304000.

The previous prime is 16386261524491. The next prime is 16386261524537. The reversal of 16386261524512 is 21542516268361.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 16386261524512.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 68822823 + ... + 69060505.

It is an arithmetic number, because the mean of its divisors is an integer number (199522288854).

Almost surely, 2^{16386261524512} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16386261524512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19154139729984).

16386261524512 is an abundant number, since it is smaller than the sum of its proper divisors (21922017935456).

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

16386261524512 is a wasteful number, since it uses less digits than its factorization.

16386261524512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238043 (or 238035 counting only the distinct ones).

The product of its digits is 4147200, while the sum is 52.

The spelling of 16386261524512 in words is "sixteen trillion, three hundred eighty-six billion, two hundred sixty-one million, five hundred twenty-four thousand, five hundred twelve".