165226283644 has 6 divisors (see below), whose sum is σ = 289145996384. Its totient is φ = 82613141820.

The previous prime is 165226283581. The next prime is 165226283701. The reversal of 165226283644 is 446382622561.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20653285452 + ... + 20653285459.

Almost surely, 2^165226283644 is an apocalyptic number.

It is an amenable number.

165226283644 is a deficient number, since it is larger than the sum of its proper divisors (123919712740).

165226283644 is a wasteful number, since it uses less digits than its factorization.

165226283644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41306570915 (or 41306570913 counting only the distinct ones).

The product of its digits is 3317760, while the sum is 49.

The spelling of 165226283644 in words is "one hundred sixty-five billion, two hundred twenty-six million, two hundred eighty-three thousand, six hundred forty-four".