3666036612 has 24 divisors (see below), whose sum is σ = 9776097856. Its totient is φ = 1047439008.

The previous prime is 3666036523. The next prime is 3666036617. The reversal of 3666036612 is 2166306663.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (3666036617) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21821563 + ... + 21821730.

Almost surely, 2^3666036612 is an apocalyptic number.

It is an amenable number.

3666036612 is an abundant number, since it is smaller than the sum of its proper divisors (6110061244).

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

3666036612 is a wasteful number, since it uses less digits than its factorization.

3666036612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43643307 (or 43643305 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 39.

The square root of 3666036612 is about 60547.8043532546. The cubic root of 3666036612 is about 1541.9333412182.

The spelling of 3666036612 in words is "three billion, six hundred sixty-six million, thirty-six thousand, six hundred twelve".