165344523254 has 8 divisors (see below), whose sum is σ = 248664349440. Its totient is φ = 82456406776.

The previous prime is 165344523241. The next prime is 165344523257. The reversal of 165344523254 is 452325443561.

165344523254 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×165344523254² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165344523257) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107926469 + ... + 107928000.

It is an arithmetic number, because the mean of its divisors is an integer number (31083043680).

Almost surely, 2^165344523254 is an apocalyptic number.

165344523254 is a deficient number, since it is larger than the sum of its proper divisors (83319826186).

165344523254 is a wasteful number, since it uses less digits than its factorization.

165344523254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215854854.

The product of its digits is 1728000, while the sum is 44.

The spelling of 165344523254 in words is "one hundred sixty-five billion, three hundred forty-four million, five hundred twenty-three thousand, two hundred fifty-four".