16066454663 has 8 divisors (see below), whose sum is σ = 19328065920. Its totient is φ = 13046444280.

The previous prime is 16066454629. The next prime is 16066454681. The reversal of 16066454663 is 36645466061.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16066454663 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16066454563) 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, 60400073 + ... + 60400338.

It is an arithmetic number, because the mean of its divisors is an integer number (2416008240).

Almost surely, 2^16066454663 is an apocalyptic number.

16066454663 is a deficient number, since it is larger than the sum of its proper divisors (3261611257).

16066454663 is a wasteful number, since it uses less digits than its factorization.

16066454663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120800437.

The product of its (nonzero) digits is 1866240, while the sum is 47.

The spelling of 16066454663 in words is "sixteen billion, sixty-six million, four hundred fifty-four thousand, six hundred sixty-three".