185530614490 has 16 divisors (see below), whose sum is σ = 359643960648. Its totient is φ = 68503611456.

The previous prime is 185530614481. The next prime is 185530614517. The reversal of 185530614490 is 94416035581.

185530614490 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 157465318761 + 28065295729 = 396819^2 + 167527^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 185530614490.

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 7 ways as a sum of consecutive naturals, for example, 713579157 + ... + 713579416.

Almost surely, 2^185530614490 is an apocalyptic number.

185530614490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

185530614490 is a deficient number, since it is larger than the sum of its proper divisors (174113346158).

185530614490 is a wasteful number, since it uses less digits than its factorization.

185530614490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1427158593.

The product of its (nonzero) digits is 518400, while the sum is 46.

The spelling of 185530614490 in words is "one hundred eighty-five billion, five hundred thirty million, six hundred fourteen thousand, four hundred ninety".