3666261155233 has 16 divisors (see below), whose sum is σ = 3772781812800. Its totient is φ = 3560712402240.

The previous prime is 3666261155153. The next prime is 3666261155269. The reversal of 3666261155233 is 3325511626663.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3666261155233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3666261155273) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62771838 + ... + 62830216.

It is an arithmetic number, because the mean of its divisors is an integer number (235798863300).

Almost surely, 2^{3666261155233} is an apocalyptic number.

It is an amenable number.

3666261155233 is a deficient number, since it is larger than the sum of its proper divisors (106520657567).

3666261155233 is a wasteful number, since it uses less digits than its factorization.

3666261155233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66672.

The product of its digits is 3499200, while the sum is 49.

The spelling of 3666261155233 in words is "three trillion, six hundred sixty-six billion, two hundred sixty-one million, one hundred fifty-five thousand, two hundred thirty-three".