3666544632 has 96 divisors (see below), whose sum is σ = 10971586080. Its totient is φ = 1100267520.

The previous prime is 3666544621. The next prime is 3666544643. The reversal of 3666544632 is 2364456663.

It is an interprime number because it is at equal distance from previous prime (3666544621) and next prime (3666544643).

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 36969 + ... + 93272.

It is an arithmetic number, because the mean of its divisors is an integer number (114287355).

Almost surely, 2^3666544632 is an apocalyptic number.

It is an amenable number.

3666544632 is an abundant number, since it is smaller than the sum of its proper divisors (7305041448).

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

3666544632 is a wasteful number, since it uses less digits than its factorization.

3666544632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130293 (or 130286 counting only the distinct ones).

The product of its digits is 1866240, while the sum is 45.

The square root of 3666544632 is about 60551.9994054697. Note that the first 3 decimals coincide. The cubic root of 3666544632 is about 1542.0045622559.

The spelling of 3666544632 in words is "three billion, six hundred sixty-six million, five hundred forty-four thousand, six hundred thirty-two".