3661634312 has 32 divisors (see below), whose sum is σ = 7974995520. Its totient is φ = 1543544640.

The previous prime is 3661634303. The next prime is 3661634321. The reversal of 3661634312 is 2134361663.

It is an interprime number because it is at equal distance from previous prime (3661634303) and next prime (3661634321).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 532538 + ... + 539369.

It is an arithmetic number, because the mean of its divisors is an integer number (249218610).

Almost surely, 2^3661634312 is an apocalyptic number.

It is an amenable number.

3661634312 is an abundant number, since it is smaller than the sum of its proper divisors (4313361208).

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

3661634312 is a wasteful number, since it uses less digits than its factorization.

3661634312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1071981 (or 1071977 counting only the distinct ones).

The product of its digits is 46656, while the sum is 35.

The square root of 3661634312 is about 60511.4395135333. The cubic root of 3661634312 is about 1541.3158922046.

Adding to 3661634312 its reverse (2134361663), we get a palindrome (5795995975).

The spelling of 3661634312 in words is "three billion, six hundred sixty-one million, six hundred thirty-four thousand, three hundred twelve".