16065166220 has 12 divisors (see below), whose sum is σ = 33736849104. Its totient is φ = 6426066480.

The previous prime is 16065166217. The next prime is 16065166259. The reversal of 16065166220 is 2266156061.

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, 401629136 + ... + 401629175.

It is an arithmetic number, because the mean of its divisors is an integer number (2811404092).

Almost surely, 2^16065166220 is an apocalyptic number.

16065166220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16065166220 is an abundant number, since it is smaller than the sum of its proper divisors (17671682884).

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

16065166220 is a wasteful number, since it uses less digits than its factorization.

16065166220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 803258320 (or 803258318 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 35.

The spelling of 16065166220 in words is "sixteen billion, sixty-five million, one hundred sixty-six thousand, two hundred twenty".