326165566045 has 16 divisors (see below), whose sum is σ = 432124725312. Its totient is φ = 234353349760.

The previous prime is 326165566031. The next prime is 326165566081. The reversal of 326165566045 is 540665561623.

It is not a de Polignac number, because 326165566045 - 2¹⁵ = 326165533277 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 326165566045.

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 15 ways as a sum of consecutive naturals, for example, 35720032 + ... + 35729161.

It is an arithmetic number, because the mean of its divisors is an integer number (27007795332).

Almost surely, 2^326165566045 is an apocalyptic number.

It is an amenable number.

326165566045 is a deficient number, since it is larger than the sum of its proper divisors (105959159267).

326165566045 is a wasteful number, since it uses less digits than its factorization.

326165566045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71449292.

The product of its (nonzero) digits is 3888000, while the sum is 49.

The spelling of 326165566045 in words is "three hundred twenty-six billion, one hundred sixty-five million, five hundred sixty-six thousand, forty-five".