16511094349 has 8 divisors (see below), whose sum is σ = 17101071000. Its totient is φ = 15922492992.

The previous prime is 16511094343. The next prime is 16511094367. The reversal of 16511094349 is 94349011561.

16511094349 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 2738428900 + 13772665449 = 52330^2 + 117357^2 .

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 16511094349 - 2⁵ = 16511094317 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16511094343) 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, 319354 + ... + 367435.

It is an arithmetic number, because the mean of its divisors is an integer number (2137633875).

Almost surely, 2^16511094349 is an apocalyptic number.

It is an amenable number.

16511094349 is a deficient number, since it is larger than the sum of its proper divisors (589976651).

16511094349 is an equidigital number, since it uses as much as digits as its factorization.

16511094349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 687647.

The product of its (nonzero) digits is 116640, while the sum is 43.

The spelling of 16511094349 in words is "sixteen billion, five hundred eleven million, ninety-four thousand, three hundred forty-nine".