185645618452 has 48 divisors (see below), whose sum is σ = 382476124800. Its totient is φ = 77190486912.

The previous prime is 185645618443. The next prime is 185645618503. The reversal of 185645618452 is 254816546581.

It is a happy number.

185645618452 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 185645618393 and 185645618402.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 338023 + ... + 696814.

It is an arithmetic number, because the mean of its divisors is an integer number (7968252600).

Almost surely, 2^185645618452 is an apocalyptic number.

It is an amenable number.

185645618452 is an abundant number, since it is smaller than the sum of its proper divisors (196830506348).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

185645618452 is a wasteful number, since it uses less digits than its factorization.

185645618452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1035040 (or 1035038 counting only the distinct ones).

The product of its digits is 9216000, while the sum is 55.

The spelling of 185645618452 in words is "one hundred eighty-five billion, six hundred forty-five million, six hundred eighteen thousand, four hundred fifty-two".