165353143653344 has 96 divisors (see below), whose sum is σ = 327540016742400. Its totient is φ = 82169711769600.

The previous prime is 165353143653223. The next prime is 165353143653371. The reversal of 165353143653344 is 443356341353561.

165353143653344 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 165353143653344.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13723385432 + ... + 13723397480.

It is an arithmetic number, because the mean of its divisors is an integer number (3411875174400).

Almost surely, 2^{165353143653344} is an apocalyptic number.

It is an amenable number.

165353143653344 is a deficient number, since it is larger than the sum of its proper divisors (162186873089056).

165353143653344 is a wasteful number, since it uses less digits than its factorization.

165353143653344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15304 (or 15296 counting only the distinct ones).

The product of its digits is 69984000, while the sum is 56.

The spelling of 165353143653344 in words is "one hundred sixty-five trillion, three hundred fifty-three billion, one hundred forty-three million, six hundred fifty-three thousand, three hundred forty-four".