3266663680 has 72 divisors (see below), whose sum is σ = 8942516352. Its totient is φ = 1119995904.

The previous prime is 3266663671. The next prime is 3266663683. The reversal of 3266663680 is 863666623.

It is a super-2 number, since 2×3266663680² = 21342183196462284800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3266663680.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3266663683) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 173332 + ... + 191251.

It is an arithmetic number, because the mean of its divisors is an integer number (124201616).

Almost surely, 2^3266663680 is an apocalyptic number.

It is an amenable number.

3266663680 is an abundant number, since it is smaller than the sum of its proper divisors (5675852672).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3266663680 is an equidigital number, since it uses as much as digits as its factorization.

3266663680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364611 (or 364597 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 46.

The square root of 3266663680 is about 57154.7345370443. The cubic root of 3266663680 is about 1483.7753139292.

The spelling of 3266663680 in words is "three billion, two hundred sixty-six million, six hundred sixty-three thousand, six hundred eighty".