16264061663 has 8 divisors (see below), whose sum is σ = 16565571120. Its totient is φ = 15964280640.

The previous prime is 16264061659. The next prime is 16264061707. The reversal of 16264061663 is 36616046261.

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

It is a cyclic number.

It is not a de Polignac number, because 16264061663 - 2² = 16264061659 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16264061663.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16264061063) 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, 413108 + ... + 450761.

It is an arithmetic number, because the mean of its divisors is an integer number (2070696390).

Almost surely, 2^16264061663 is an apocalyptic number.

16264061663 is a deficient number, since it is larger than the sum of its proper divisors (301509457).

16264061663 is an equidigital number, since it uses as much as digits as its factorization.

16264061663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 864217.

The product of its (nonzero) digits is 186624, while the sum is 41.

The spelling of 16264061663 in words is "sixteen billion, two hundred sixty-four million, sixty-one thousand, six hundred sixty-three".