3666066461225 has 24 divisors (see below), whose sum is σ = 5216038527168. Its totient is φ = 2503858680000.

The previous prime is 3666066461221. The next prime is 3666066461227. The reversal of 3666066461225 is 5221646606663.

It is not a de Polignac number, because 3666066461225 - 2² = 3666066461221 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3666066461221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 41687054 + ... + 41774903.

It is an arithmetic number, because the mean of its divisors is an integer number (217334938632).

Almost surely, 2^{3666066461225} is an apocalyptic number.

3666066461225 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3666066461225 is a deficient number, since it is larger than the sum of its proper divisors (1549972065943).

3666066461225 is a wasteful number, since it uses less digits than its factorization.

3666066461225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83462225 (or 83462220 counting only the distinct ones).

The product of its (nonzero) digits is 11197440, while the sum is 53.

The spelling of 3666066461225 in words is "three trillion, six hundred sixty-six billion, sixty-six million, four hundred sixty-one thousand, two hundred twenty-five".