165255837222 has 16 divisors (see below), whose sum is σ = 377727628032. Its totient is φ = 47215953480.

The previous prime is 165255837199. The next prime is 165255837277. The reversal of 165255837222 is 222738552561.

165255837222 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, 1967331354 + ... + 1967331437.

It is an arithmetic number, because the mean of its divisors is an integer number (23607976752).

Almost surely, 2^165255837222 is an apocalyptic number.

165255837222 is an abundant number, since it is smaller than the sum of its proper divisors (212471790810).

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

165255837222 is a wasteful number, since it uses less digits than its factorization.

165255837222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3934662803.

The product of its digits is 2016000, while the sum is 48.

The spelling of 165255837222 in words is "one hundred sixty-five billion, two hundred fifty-five million, eight hundred thirty-seven thousand, two hundred twenty-two".