16867319354 has 4 divisors (see below), whose sum is σ = 25300979034. Its totient is φ = 8433659676.

The previous prime is 16867319347. The next prime is 16867319383. The reversal of 16867319354 is 45391376861.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 45391376861 = 1783 ⋅25457867.

It can be written as a sum of positive squares in only one way, i.e., 16758597025 + 108722329 = 129455^2 + 10427^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 16867319296 and 16867319305.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4216829837 + ... + 4216829840.

Almost surely, 2^16867319354 is an apocalyptic number.

16867319354 is a deficient number, since it is larger than the sum of its proper divisors (8433659680).

16867319354 is an equidigital number, since it uses as much as digits as its factorization.

16867319354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8433659679.

The product of its digits is 3265920, while the sum is 53.

The spelling of 16867319354 in words is "sixteen billion, eight hundred sixty-seven million, three hundred nineteen thousand, three hundred fifty-four".