3261606534 has 96 divisors (see below), whose sum is σ = 7596195840. Its totient is φ = 1036260000.

The previous prime is 3261606529. The next prime is 3261606583. The reversal of 3261606534 is 4356061623.

3261606534 is a `hidden beast` number, since 3 + 2 + 61 + 60 + 6 + 534 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 17076379 + ... + 17076569.

It is an arithmetic number, because the mean of its divisors is an integer number (79127040).

Almost surely, 2^3261606534 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3261606534, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3798097920).

3261606534 is an abundant number, since it is smaller than the sum of its proper divisors (4334589306).

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

3261606534 is a wasteful number, since it uses less digits than its factorization.

3261606534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435 (or 328 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 36.

The square root of 3261606534 is about 57110.4765695402. The cubic root of 3261606534 is about 1483.0092373218.

The spelling of 3261606534 in words is "three billion, two hundred sixty-one million, six hundred six thousand, five hundred thirty-four".