3612312666 has 16 divisors (see below), whose sum is σ = 8027361600. Its totient is φ = 1204104204.

The previous prime is 3612312659. The next prime is 3612312673. The reversal of 3612312666 is 6662132163.

It is an interprime number because it is at equal distance from previous prime (3612312659) and next prime (3612312673).

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 3612312666.

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 7 ways as a sum of consecutive naturals, for example, 33447286 + ... + 33447393.

It is an arithmetic number, because the mean of its divisors is an integer number (501710100).

Almost surely, 2^3612312666 is an apocalyptic number.

3612312666 is an abundant number, since it is smaller than the sum of its proper divisors (4415048934).

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

3612312666 is a wasteful number, since it uses less digits than its factorization.

3612312666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66894690 (or 66894684 counting only the distinct ones).

The product of its digits is 46656, while the sum is 36.

The square root of 3612312666 is about 60102.5179672200. The cubic root of 3612312666 is about 1534.3641565739.

The spelling of 3612312666 in words is "three billion, six hundred twelve million, three hundred twelve thousand, six hundred sixty-six".