16021508814608 has 160 divisors (see below), whose sum is σ = 35788009420800. Its totient is φ = 6871744857600.

The previous prime is 16021508814599. The next prime is 16021508814629. The reversal of 16021508814608 is 80641880512061.

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, 2291729993 + ... + 2291736983.

It is an arithmetic number, because the mean of its divisors is an integer number (223675058880).

Almost surely, 2^{16021508814608} 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 16021508814608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17894004710400).

16021508814608 is an abundant number, since it is smaller than the sum of its proper divisors (19766500606192).

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

16021508814608 is a wasteful number, since it uses less digits than its factorization.

16021508814608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9661 (or 9655 counting only the distinct ones).

The product of its (nonzero) digits is 737280, while the sum is 50.

The spelling of 16021508814608 in words is "sixteen trillion, twenty-one billion, five hundred eight million, eight hundred fourteen thousand, six hundred eight".