16041684457 has 8 divisors (see below), whose sum is σ = 16610401800. Its totient is φ = 15474004224.

The previous prime is 16041684437. The next prime is 16041684467. The reversal of 16041684457 is 75448614061.

It can be written as a sum of positive squares in 4 ways, for example, as 6780816 + 16034903641 = 2604^2 + 126629^2 .

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 16041684457 - 2³¹ = 13894200809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16041684437) 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, 227728 + ... + 289729.

It is an arithmetic number, because the mean of its divisors is an integer number (2076300225).

Almost surely, 2^16041684457 is an apocalyptic number.

It is an amenable number.

16041684457 is a deficient number, since it is larger than the sum of its proper divisors (568717343).

16041684457 is a wasteful number, since it uses less digits than its factorization.

16041684457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 518555.

The product of its (nonzero) digits is 645120, while the sum is 46.

The spelling of 16041684457 in words is "sixteen billion, forty-one million, six hundred eighty-four thousand, four hundred fifty-seven".