3261666748 has 12 divisors (see below), whose sum is σ = 5736892392. Its totient is φ = 1622554640.

The previous prime is 3261666721. The next prime is 3261666763. The reversal of 3261666748 is 8476661623.

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, 2068798 + ... + 2070373.

It is an arithmetic number, because the mean of its divisors is an integer number (478074366).

Almost surely, 2^3261666748 is an apocalyptic number.

It is an amenable number.

3261666748 is a deficient number, since it is larger than the sum of its proper divisors (2475225644).

3261666748 is a wasteful number, since it uses less digits than its factorization.

3261666748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4139372 (or 4139370 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 49.

The square root of 3261666748 is about 57111.0037383340. The cubic root of 3261666748 is about 1483.0183634347.

The spelling of 3261666748 in words is "three billion, two hundred sixty-one million, six hundred sixty-six thousand, seven hundred forty-eight".