185473340121 has 8 divisors (see below), whose sum is σ = 250428138880. Its totient is φ = 122083717392.

The previous prime is 185473340083. The next prime is 185473340147. The reversal of 185473340121 is 121043374581.

185473340121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 185473340121 - 2¹⁰ = 185473339097 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 185473340121.

It is not an unprimeable number, because it can be changed into a prime (185473340321) 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, 391293730 + ... + 391294203.

It is an arithmetic number, because the mean of its divisors is an integer number (31303517360).

Almost surely, 2^185473340121 is an apocalyptic number.

It is an amenable number.

185473340121 is a deficient number, since it is larger than the sum of its proper divisors (64954798759).

185473340121 is an equidigital number, since it uses as much as digits as its factorization.

185473340121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 782588015.

The product of its (nonzero) digits is 80640, while the sum is 39.

The spelling of 185473340121 in words is "one hundred eighty-five billion, four hundred seventy-three million, three hundred forty thousand, one hundred twenty-one".