185428416995 has 32 divisors (see below), whose sum is σ = 226964312064. Its totient is φ = 145402185600.

The previous prime is 185428416989. The next prime is 185428417019. The reversal of 185428416995 is 599614824581.

185428416995 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Cunningham number, because it is equal to 430614²-1.

It is not a de Polignac number, because 185428416995 - 2¹⁴ = 185428400611 is a prime.

It is a Duffinian 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 31 ways as a sum of consecutive naturals, for example, 96026180 + ... + 96028110.

It is an arithmetic number, because the mean of its divisors is an integer number (7092634752).

Almost surely, 2^185428416995 is an apocalyptic number.

185428416995 is a deficient number, since it is larger than the sum of its proper divisors (41535895069).

185428416995 is a wasteful number, since it uses less digits than its factorization.

185428416995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3443.

The product of its digits is 24883200, while the sum is 62.

The spelling of 185428416995 in words is "one hundred eighty-five billion, four hundred twenty-eight million, four hundred sixteen thousand, nine hundred ninety-five".