3661993482 has 64 divisors (see below), whose sum is σ = 8666112000. Its totient is φ = 1009506240.

The previous prime is 3661993471. The next prime is 3661993523. The reversal of 3661993482 is 2843991663.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 450369 + ... + 458427.

It is an arithmetic number, because the mean of its divisors is an integer number (135408000).

Almost surely, 2^3661993482 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3661993482, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4333056000).

3661993482 is an abundant number, since it is smaller than the sum of its proper divisors (5004118518).

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

3661993482 is a wasteful number, since it uses less digits than its factorization.

3661993482 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8451.

The product of its digits is 1679616, while the sum is 51.

The square root of 3661993482 is about 60514.4072267092. The cubic root of 3661993482 is about 1541.3662864896.

The spelling of 3661993482 in words is "three billion, six hundred sixty-one million, nine hundred ninety-three thousand, four hundred eighty-two".