16020266660 has 48 divisors (see below), whose sum is σ = 34592189184. Its totient is φ = 6227630208.

The previous prime is 16020266657. The next prime is 16020266671. The reversal of 16020266660 is 6666202061.

It is a self number, because there is not a number n which added to its sum of digits gives 16020266660.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 644177 + ... + 668583.

It is an arithmetic number, because the mean of its divisors is an integer number (720670608).

Almost surely, 2^16020266660 is an apocalyptic number.

16020266660 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 16020266660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17296094592).

16020266660 is an abundant number, since it is smaller than the sum of its proper divisors (18571922524).

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

16020266660 is a wasteful number, since it uses less digits than its factorization.

16020266660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25340 (or 25338 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 35.

The spelling of 16020266660 in words is "sixteen billion, twenty million, two hundred sixty-six thousand, six hundred sixty".