3681506322 has 32 divisors (see below), whose sum is σ = 8810444160. Its totient is φ = 1132770960.

The previous prime is 3681506321. The next prime is 3681506347. The reversal of 3681506322 is 2236051863.

It is a happy number.

3681506322 is a `hidden beast` number, since 3 + 6 + 8 + 15 + 0 + 632 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (3681506321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2621454 + ... + 2622857.

It is an arithmetic number, because the mean of its divisors is an integer number (275326380).

Almost surely, 2^3681506322 is an apocalyptic number.

3681506322 is an abundant number, since it is smaller than the sum of its proper divisors (5128937838).

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

3681506322 is a wasteful number, since it uses less digits than its factorization.

3681506322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5244335 (or 5244329 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 3681506322 is about 60675.4177735926. The cubic root of 3681506322 is about 1544.0991486998.

The spelling of 3681506322 in words is "three billion, six hundred eighty-one million, five hundred six thousand, three hundred twenty-two".