16066732420 has 24 divisors (see below), whose sum is σ = 34524794304. Its totient is φ = 6277234656.

The previous prime is 16066732391. The next prime is 16066732427. The reversal of 16066732420 is 2423766061.

It is a self number, because there is not a number n which added to its sum of digits gives 16066732420.

It is not an unprimeable number, because it can be changed into a prime (16066732427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9340264 + ... + 9341983.

It is an arithmetic number, because the mean of its divisors is an integer number (1438533096).

Almost surely, 2^16066732420 is an apocalyptic number.

16066732420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16066732420 is an abundant number, since it is smaller than the sum of its proper divisors (18458061884).

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

16066732420 is a wasteful number, since it uses less digits than its factorization.

16066732420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18682299 (or 18682297 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 37.

The spelling of 16066732420 in words is "sixteen billion, sixty-six million, seven hundred thirty-two thousand, four hundred twenty".