16076578325 has 6 divisors (see below), whose sum is σ = 19934957154. Its totient is φ = 12861262640.

The previous prime is 16076578303. The next prime is 16076578333. The reversal of 16076578325 is 52387567061.

It can be written as a sum of positive squares in 3 ways, for example, as 5674006276 + 10402572049 = 75326^2 + 101993^2 .

It is not a de Polignac number, because 16076578325 - 2¹⁸ = 16076316181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 321531542 + ... + 321531591.

It is an arithmetic number, because the mean of its divisors is an integer number (3322492859).

Almost surely, 2^16076578325 is an apocalyptic number.

It is an amenable number.

16076578325 is a deficient number, since it is larger than the sum of its proper divisors (3858378829).

16076578325 is an equidigital number, since it uses as much as digits as its factorization.

16076578325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 643063143 (or 643063138 counting only the distinct ones).

The product of its (nonzero) digits is 2116800, while the sum is 50.

The spelling of 16076578325 in words is "sixteen billion, seventy-six million, five hundred seventy-eight thousand, three hundred twenty-five".