3666531163251 has 8 divisors (see below), whose sum is σ = 5333136237504. Its totient is φ = 2222140098920.

The previous prime is 3666531163249. The next prime is 3666531163261. The reversal of 3666531163251 is 1523611356663.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3666531163251 - 2¹ = 3666531163249 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3666531163251.

It is not an unprimeable number, because it can be changed into a prime (3666531163261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55553502441 + ... + 55553502506.

It is an arithmetic number, because the mean of its divisors is an integer number (666642029688).

Almost surely, 2^{3666531163251} is an apocalyptic number.

3666531163251 is a deficient number, since it is larger than the sum of its proper divisors (1666605074253).

3666531163251 is a wasteful number, since it uses less digits than its factorization.

3666531163251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111107004961.

The product of its digits is 1749600, while the sum is 48.

The spelling of 3666531163251 in words is "three trillion, six hundred sixty-six billion, five hundred thirty-one million, one hundred sixty-three thousand, two hundred fifty-one".