182390625521 has 8 divisors (see below), whose sum is σ = 200126724840. Its totient is φ = 165183962112.

The previous prime is 182390625511. The next prime is 182390625539. The reversal of 182390625521 is 125526093281.

182390625521 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 2003547121 + 180387078400 = 44761^2 + 424720^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 182390625521 - 2²⁶ = 182323516657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (182390625511) 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, 132358256 + ... + 132359633.

It is an arithmetic number, because the mean of its divisors is an integer number (25015840605).

Almost surely, 2^182390625521 is an apocalyptic number.

It is an amenable number.

182390625521 is a deficient number, since it is larger than the sum of its proper divisors (17736099319).

182390625521 is a wasteful number, since it uses less digits than its factorization.

182390625521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264717955.

The product of its (nonzero) digits is 259200, while the sum is 44.

The spelling of 182390625521 in words is "one hundred eighty-two billion, three hundred ninety million, six hundred twenty-five thousand, five hundred twenty-one".