16290646386941 has 4 divisors (see below), whose sum is σ = 16291492717500. Its totient is φ = 16289800056384.

The previous prime is 16290646386913. The next prime is 16290646386947. The reversal of 16290646386941 is 14968364609261.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5472928046041 + 10817718340900 = 2339429^2 + 3289030^2 .

It is a cyclic number.

It is not a de Polignac number, because 16290646386941 - 2¹⁰ = 16290646385917 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 (16290646386947) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 423136406 + ... + 423174903.

It is an arithmetic number, because the mean of its divisors is an integer number (4072873179375).

Almost surely, 2^{16290646386941} is an apocalyptic number.

It is an amenable number.

16290646386941 is a deficient number, since it is larger than the sum of its proper divisors (846330559).

16290646386941 is an equidigital number, since it uses as much as digits as its factorization.

16290646386941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 846330558.

The product of its (nonzero) digits is 80621568, while the sum is 65.

The spelling of 16290646386941 in words is "sixteen trillion, two hundred ninety billion, six hundred forty-six million, three hundred eighty-six thousand, nine hundred forty-one".