16390041149 has 8 divisors (see below), whose sum is σ = 16536261240. Its totient is φ = 16244453376.

The previous prime is 16390041133. The next prime is 16390041181. The reversal of 16390041149 is 94114009361.

It can be written as a sum of positive squares in 4 ways, for example, as 944025625 + 15446015524 = 30725^2 + 124282^2 .

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 16390041149 - 2⁴ = 16390041133 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 (16390041949) 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 7 ways as a sum of consecutive naturals, for example, 105932 + ... + 209765.

It is an arithmetic number, because the mean of its divisors is an integer number (2067032655).

Almost surely, 2^16390041149 is an apocalyptic number.

It is an amenable number.

16390041149 is a deficient number, since it is larger than the sum of its proper divisors (146220091).

16390041149 is a wasteful number, since it uses less digits than its factorization.

16390041149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316159.

The product of its (nonzero) digits is 23328, while the sum is 38.

The spelling of 16390041149 in words is "sixteen billion, three hundred ninety million, forty-one thousand, one hundred forty-nine".