3261566334 has 128 divisors (see below), whose sum is σ = 7586611200. Its totient is φ = 926432640.

The previous prime is 3261566323. The next prime is 3261566369. The reversal of 3261566334 is 4336651623.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3261566292 and 3261566301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 14625747 + ... + 14625969.

It is an arithmetic number, because the mean of its divisors is an integer number (59270400).

Almost surely, 2^3261566334 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3261566334, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3793305600).

3261566334 is an abundant number, since it is smaller than the sum of its proper divisors (4325044866).

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

3261566334 is a wasteful number, since it uses less digits than its factorization.

3261566334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 470.

The product of its digits is 233280, while the sum is 39.

The square root of 3261566334 is about 57110.1246190200. The cubic root of 3261566334 is about 1483.0031444944.

The spelling of 3261566334 in words is "three billion, two hundred sixty-one million, five hundred sixty-six thousand, three hundred thirty-four".