366628656413 has 4 divisors (see below), whose sum is σ = 367286877180. Its totient is φ = 365970435648.

The previous prime is 366628656337. The next prime is 366628656419. The reversal of 366628656413 is 314656826663.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 314656826663 = 114799 ⋅2740937.

It can be written as a sum of positive squares in 2 ways, for example, as 44256799129 + 322371857284 = 210373^2 + 567778^2 .

It is a cyclic number.

It is not a de Polignac number, because 366628656413 - 2¹⁴ = 366628640029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (366628656419) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 329109548 + ... + 329110661.

It is an arithmetic number, because the mean of its divisors is an integer number (91821719295).

Almost surely, 2^366628656413 is an apocalyptic number.

It is an amenable number.

366628656413 is a deficient number, since it is larger than the sum of its proper divisors (658220767).

366628656413 is an equidigital number, since it uses as much as digits as its factorization.

366628656413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 658220766.

The product of its digits is 22394880, while the sum is 56.

The spelling of 366628656413 in words is "three hundred sixty-six billion, six hundred twenty-eight million, six hundred fifty-six thousand, four hundred thirteen".