165105085862 has 16 divisors (see below), whose sum is σ = 258476618592. Its totient is φ = 78947637120.

The previous prime is 165105085853. The next prime is 165105085889. The reversal of 165105085862 is 268580501561.

165105085862 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 7 ways as a sum of consecutive naturals, for example, 119939 + ... + 587022.

It is an arithmetic number, because the mean of its divisors is an integer number (16154788662).

Almost surely, 2^165105085862 is an apocalyptic number.

165105085862 is a deficient number, since it is larger than the sum of its proper divisors (93371532730).

165105085862 is a wasteful number, since it uses less digits than its factorization.

165105085862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 712063.

The product of its (nonzero) digits is 576000, while the sum is 47.

The spelling of 165105085862 in words is "one hundred sixty-five billion, one hundred five million, eighty-five thousand, eight hundred sixty-two".