165623316512344 has 8 divisors (see below), whose sum is σ = 310543718460660. Its totient is φ = 82811658256168.

The previous prime is 165623316512273. The next prime is 165623316512351. The reversal of 165623316512344 is 443215613326561.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 165623316512291 and 165623316512300.

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, 10351457282014 + ... + 10351457282029.

Almost surely, 2^{165623316512344} is an apocalyptic number.

It is an amenable number.

165623316512344 is a deficient number, since it is larger than the sum of its proper divisors (144920401948316).

165623316512344 is a wasteful number, since it uses less digits than its factorization.

165623316512344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20702914564049 (or 20702914564045 counting only the distinct ones).

The product of its digits is 9331200, while the sum is 52.

The spelling of 165623316512344 in words is "one hundred sixty-five trillion, six hundred twenty-three billion, three hundred sixteen million, five hundred twelve thousand, three hundred forty-four".