165623444425466 has 8 divisors (see below), whose sum is σ = 261510701724480. Its totient is φ = 78453210517308.

The previous prime is 165623444425427. The next prime is 165623444425471. The reversal of 165623444425466 is 664524444326561.

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

It is a super-2 number, since 2×165623444425466² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 165623444425399 and 165623444425408.

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, 2179255847666 + ... + 2179255847741.

It is an arithmetic number, because the mean of its divisors is an integer number (32688837715560).

Almost surely, 2^{165623444425466} is an apocalyptic number.

165623444425466 is a deficient number, since it is larger than the sum of its proper divisors (95887257299014).

165623444425466 is a wasteful number, since it uses less digits than its factorization.

165623444425466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4358511695428.

The product of its digits is 398131200, while the sum is 62.

The spelling of 165623444425466 in words is "one hundred sixty-five trillion, six hundred twenty-three billion, four hundred forty-four million, four hundred twenty-five thousand, four hundred sixty-six".