165841086 has 64 divisors (see below), whose sum is σ = 369266688. Its totient is φ = 49387008.

The previous prime is 165841057. The next prime is 165841097. The reversal of 165841086 is 680148561.

165841086 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 polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 523000 + ... + 523316.

It is an arithmetic number, because the mean of its divisors is an integer number (5769792).

Almost surely, 2^165841086 is an apocalyptic number.

165841086 is an abundant number, since it is smaller than the sum of its proper divisors (203425602).

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

165841086 is a wasteful number, since it uses less digits than its factorization.

165841086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 585.

The product of its (nonzero) digits is 46080, while the sum is 39.

The square root of 165841086 is about 12877.9301908342. The cubic root of 165841086 is about 549.4110345474.

The spelling of 165841086 in words is "one hundred sixty-five million, eight hundred forty-one thousand, eighty-six".