165243652952254 has 8 divisors (see below), whose sum is σ = 258642239403600. Its totient is φ = 79029573151056.

The previous prime is 165243652952207. The next prime is 165243652952281. The reversal of 165243652952254 is 452259256342561.

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

It is a junction number, because it is equal to n+sod(n) for n = 165243652952192 and 165243652952201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1796126662479 + ... + 1796126662570.

It is an arithmetic number, because the mean of its divisors is an integer number (32330279925450).

Almost surely, 2^{165243652952254} is an apocalyptic number.

165243652952254 is a deficient number, since it is larger than the sum of its proper divisors (93398586451346).

165243652952254 is a wasteful number, since it uses less digits than its factorization.

165243652952254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3592253325074.

The product of its digits is 155520000, while the sum is 61.

The spelling of 165243652952254 in words is "one hundred sixty-five trillion, two hundred forty-three billion, six hundred fifty-two million, nine hundred fifty-two thousand, two hundred fifty-four".