165151622062243 has 4 divisors (see below), whose sum is σ = 174866423360040. Its totient is φ = 155436820764448.

The previous prime is 165151622062111. The next prime is 165151622062253. The reversal of 165151622062243 is 342260226151561.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 165151622062243 - 2¹³ = 165151622054051 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 165151622062193 and 165151622062202.

It is not an unprimeable number, because it can be changed into a prime (165151622062253) 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, 4857400648873 + ... + 4857400648906.

It is an arithmetic number, because the mean of its divisors is an integer number (43716605840010).

Almost surely, 2^{165151622062243} is an apocalyptic number.

165151622062243 is a deficient number, since it is larger than the sum of its proper divisors (9714801297797).

165151622062243 is an equidigital number, since it uses as much as digits as its factorization.

165151622062243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9714801297796.

The product of its (nonzero) digits is 1036800, while the sum is 46.

The spelling of 165151622062243 in words is "one hundred sixty-five trillion, one hundred fifty-one billion, six hundred twenty-two million, sixty-two thousand, two hundred forty-three".