16445650263 has 8 divisors (see below), whose sum is σ = 25060038528. Its totient is φ = 9397514424.

The previous prime is 16445650237. The next prime is 16445650283. The reversal of 16445650263 is 36205654461.

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

It is not a de Polignac number, because 16445650263 - 2⁵ = 16445650231 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16445650283) 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, 391563081 + ... + 391563122.

It is an arithmetic number, because the mean of its divisors is an integer number (3132504816).

Almost surely, 2^16445650263 is an apocalyptic number.

16445650263 is a deficient number, since it is larger than the sum of its proper divisors (8614388265).

16445650263 is an equidigital number, since it uses as much as digits as its factorization.

16445650263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 783126213.

The product of its (nonzero) digits is 518400, while the sum is 42.

The spelling of 16445650263 in words is "sixteen billion, four hundred forty-five million, six hundred fifty thousand, two hundred sixty-three".