366664993641 has 48 divisors (see below), whose sum is σ = 548227699968. Its totient is φ = 235966608000.

The previous prime is 366664993637. The next prime is 366664993687. The reversal of 366664993641 is 146399466663.

It is not a de Polignac number, because 366664993641 - 2² = 366664993637 is a prime.

It is not an unprimeable number, because it can be changed into a prime (366664993691) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 44596911 + ... + 44605131.

It is an arithmetic number, because the mean of its divisors is an integer number (11421410416).

Almost surely, 2^366664993641 is an apocalyptic number.

It is an amenable number.

366664993641 is a deficient number, since it is larger than the sum of its proper divisors (181562706327).

366664993641 is a wasteful number, since it uses less digits than its factorization.

366664993641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9302 (or 9299 counting only the distinct ones).

The product of its digits is 90699264, while the sum is 63.

The spelling of 366664993641 in words is "three hundred sixty-six billion, six hundred sixty-four million, nine hundred ninety-three thousand, six hundred forty-one".