165146321266226 has 8 divisors (see below), whose sum is σ = 258489894155904. Its totient is φ = 78983023214260.

The previous prime is 165146321266207. The next prime is 165146321266231. The reversal of 165146321266226 is 622662123641561.

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

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, 1795068709370 + ... + 1795068709461.

It is an arithmetic number, because the mean of its divisors is an integer number (32311236769488).

Almost surely, 2^{165146321266226} is an apocalyptic number.

165146321266226 is a deficient number, since it is larger than the sum of its proper divisors (93343572889678).

165146321266226 is a wasteful number, since it uses less digits than its factorization.

165146321266226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3590137418856.

The product of its digits is 7464960, while the sum is 53.

The spelling of 165146321266226 in words is "one hundred sixty-five trillion, one hundred forty-six billion, three hundred twenty-one million, two hundred sixty-six thousand, two hundred twenty-six".