16667263345 has 8 divisors (see below), whose sum is σ = 20004586920. Its totient is φ = 13331230080.

The previous prime is 16667263331. The next prime is 16667263363. The reversal of 16667263345 is 54336276661.

It can be written as a sum of positive squares in 4 ways, for example, as 9309741169 + 7357522176 = 96487^2 + 85776^2 .

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

It is not a de Polignac number, because 16667263345 - 2¹¹ = 16667261297 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 293926 + ... + 346015.

It is an arithmetic number, because the mean of its divisors is an integer number (2500573365).

Almost surely, 2^16667263345 is an apocalyptic number.

It is an amenable number.

16667263345 is a deficient number, since it is larger than the sum of its proper divisors (3337323575).

16667263345 is an equidigital number, since it uses as much as digits as its factorization.

16667263345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 645155.

The product of its digits is 3265920, while the sum is 49.

The spelling of 16667263345 in words is "sixteen billion, six hundred sixty-seven million, two hundred sixty-three thousand, three hundred forty-five".