185103426193984 has 21 divisors (see below), whose sum is σ = 367314827337507. Its totient is φ = 92551658675904.

The previous prime is 185103426193957. The next prime is 185103426194053. The reversal of 185103426193984 is 489391624301581.

The square root of 185103426193984 is 13605272.

It is a perfect power (a square), and thus also a powerful number.

185103426193984 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (64).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 107991847 + ... + 109692505.

It is an arithmetic number, because the mean of its divisors is an integer number (17491182254167).

Almost surely, 2^{185103426193984} is an apocalyptic number.

185103426193984 is the 13605272-nd square number.

It is an amenable number.

185103426193984 is a deficient number, since it is larger than the sum of its proper divisors (182211401143523).

185103426193984 is an frugal number, since it uses more digits than its factorization.

185103426193984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3401330 (or 1700661 counting only the distinct ones).

The product of its (nonzero) digits is 44789760, while the sum is 64.

185103426193984 divided by its sum of digits (64) gives a square (2892241034281 = 1700659²).

The spelling of 185103426193984 in words is "one hundred eighty-five trillion, one hundred three billion, four hundred twenty-six million, one hundred ninety-three thousand, nine hundred eighty-four".