264688481966 has 8 divisors (see below), whose sum is σ = 397042488120. Its totient is φ = 132340985928.

The previous prime is 264688481947. The next prime is 264688481971. The reversal of 264688481966 is 669184886462.

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

It is a junction number, because it is equal to n+sod(n) for n = 264688481896 and 264688481905.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1524581 + ... + 1689296.

It is an arithmetic number, because the mean of its divisors is an integer number (49630311015).

Almost surely, 2^264688481966 is an apocalyptic number.

264688481966 is a deficient number, since it is larger than the sum of its proper divisors (132354006154).

264688481966 is a wasteful number, since it uses less digits than its factorization.

264688481966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3255058.

The product of its digits is 191102976, while the sum is 68.

The spelling of 264688481966 in words is "two hundred sixty-four billion, six hundred eighty-eight million, four hundred eighty-one thousand, nine hundred sixty-six".