16066455642 has 48 divisors (see below), whose sum is σ = 37043697600. Its totient is φ = 5015108736.

The previous prime is 16066455641. The next prime is 16066455661. The reversal of 16066455642 is 24655466061.

It is not an unprimeable number, because it can be changed into a prime (16066455641) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 71028 + ... + 192815.

It is an arithmetic number, because the mean of its divisors is an integer number (771743700).

Almost surely, 2^16066455642 is an apocalyptic number.

16066455642 is an abundant number, since it is smaller than the sum of its proper divisors (20977241958).

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

16066455642 is a wasteful number, since it uses less digits than its factorization.

16066455642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264067 (or 264064 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 45.

The spelling of 16066455642 in words is "sixteen billion, sixty-six million, four hundred fifty-five thousand, six hundred forty-two".