366644366641 has 16 divisors (see below), whose sum is σ = 426292992000. Its totient is φ = 308817676368.

The previous prime is 366644366617. The next prime is 366644366657. The reversal of 366644366641 is 146663446663.

It is a cyclic number.

It is not a de Polignac number, because 366644366641 - 2⁷ = 366644366513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (366644966641) 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, 875710 + ... + 1224808.

It is an arithmetic number, because the mean of its divisors is an integer number (26643312000).

Almost surely, 2^366644366641 is an apocalyptic number.

It is an amenable number.

366644366641 is a deficient number, since it is larger than the sum of its proper divisors (59648625359).

366644366641 is a wasteful number, since it uses less digits than its factorization.

366644366641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351708.

The product of its digits is 26873856, while the sum is 55.

The spelling of 366644366641 in words is "three hundred sixty-six billion, six hundred forty-four million, three hundred sixty-six thousand, six hundred forty-one".