326106665 has 16 divisors (see below), whose sum is σ = 415134720. Its totient is φ = 245072640.

The previous prime is 326106643. The next prime is 326106667. The reversal of 326106665 is 566601623.

It is not a de Polignac number, because 326106665 - 2⁶ = 326106601 is a prime.

It is not an unprimeable number, because it can be changed into a prime (326106667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45176 + ... + 51894.

It is an arithmetic number, because the mean of its divisors is an integer number (25945920).

Almost surely, 2^326106665 is an apocalyptic number.

It is an amenable number.

326106665 is a deficient number, since it is larger than the sum of its proper divisors (89028055).

326106665 is a wasteful number, since it uses less digits than its factorization.

326106665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7312.

The product of its (nonzero) digits is 38880, while the sum is 35.

The square root of 326106665 is about 18058.4236576729. The cubic root of 326106665 is about 688.3139292344.

The spelling of 326106665 in words is "three hundred twenty-six million, one hundred six thousand, six hundred sixty-five".