16948665445 has 8 divisors (see below), whose sum is σ = 20340702360. Its totient is φ = 13557396480.

The previous prime is 16948665439. The next prime is 16948665449. The reversal of 16948665445 is 54456684961.

16948665445 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 5681692129 + 11266973316 = 75377^2 + 106146^2 .

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

It is not a de Polignac number, because 16948665445 - 2¹⁵ = 16948632677 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16948665445.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16948665449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 142260 + ... + 232669.

It is an arithmetic number, because the mean of its divisors is an integer number (2542587795).

Almost surely, 2^16948665445 is an apocalyptic number.

It is an amenable number.

16948665445 is a deficient number, since it is larger than the sum of its proper divisors (3392036915).

16948665445 is an equidigital number, since it uses as much as digits as its factorization.

16948665445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383975.

The product of its digits is 24883200, while the sum is 58.

The spelling of 16948665445 in words is "sixteen billion, nine hundred forty-eight million, six hundred sixty-five thousand, four hundred forty-five".