16949198833 has 12 divisors (see below), whose sum is σ = 19897305780. Its totient is φ = 14394596832.

The previous prime is 16949198831. The next prime is 16949198837. The reversal of 16949198833 is 33889194961.

It can be written as a sum of positive squares in 2 ways, for example, as 5930078049 + 11019120784 = 77007^2 + 104972^2 .

It is not a de Polignac number, because 16949198833 - 2¹ = 16949198831 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16949198831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1581366 + ... + 1592047.

It is an arithmetic number, because the mean of its divisors is an integer number (1658108815).

Almost surely, 2^16949198833 is an apocalyptic number.

It is an amenable number.

16949198833 is a deficient number, since it is larger than the sum of its proper divisors (2948106947).

16949198833 is a wasteful number, since it uses less digits than its factorization.

16949198833 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3173536 (or 3173529 counting only the distinct ones).

The product of its digits is 10077696, while the sum is 61.

It can be divided in two parts, 169491 and 98833, that added together give a square (268324 = 518²).

The spelling of 16949198833 in words is "sixteen billion, nine hundred forty-nine million, one hundred ninety-eight thousand, eight hundred thirty-three".