366660643427 has 16 divisors (see below), whose sum is σ = 411083211840. Its totient is φ = 324703596672.

The previous prime is 366660643417. The next prime is 366660643429. The reversal of 366660643427 is 724346066663.

It is not a de Polignac number, because 366660643427 - 2²⁶ = 366593534563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (366660643429) 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, 3038183 + ... + 3156560.

It is an arithmetic number, because the mean of its divisors is an integer number (25692700740).

Almost surely, 2^366660643427 is an apocalyptic number.

366660643427 is a deficient number, since it is larger than the sum of its proper divisors (44422568413).

366660643427 is a wasteful number, since it uses less digits than its factorization.

366660643427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6194942.

The product of its (nonzero) digits is 15676416, while the sum is 53.

The spelling of 366660643427 in words is "three hundred sixty-six billion, six hundred sixty million, six hundred forty-three thousand, four hundred twenty-seven".