3257926664 has 32 divisors (see below), whose sum is σ = 6380078400. Its totient is φ = 1558065600.

The previous prime is 3257926649. The next prime is 3257926669. The reversal of 3257926664 is 4666297523.

It is a super-2 number, since 2×3257926664² = 21228172296004337792, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3257926669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75812 + ... + 110739.

It is an arithmetic number, because the mean of its divisors is an integer number (199377450).

Almost surely, 2^3257926664 is an apocalyptic number.

It is an amenable number.

3257926664 is a deficient number, since it is larger than the sum of its proper divisors (3122151736).

3257926664 is a wasteful number, since it uses less digits than its factorization.

3257926664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186653 (or 186649 counting only the distinct ones).

The product of its digits is 3265920, while the sum is 50.

The square root of 3257926664 is about 57078.2503586086. The cubic root of 3257926664 is about 1482.4512980768.

The spelling of 3257926664 in words is "three billion, two hundred fifty-seven million, nine hundred twenty-six thousand, six hundred sixty-four".