366656043640 has 16 divisors (see below), whose sum is σ = 824976098280. Its totient is φ = 146662417440.

The previous prime is 366656043629. The next prime is 366656043683. The reversal of 366656043640 is 46340656663.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4583200506 + ... + 4583200585.

Almost surely, 2^366656043640 is an apocalyptic number.

It is an amenable number.

366656043640 is an abundant number, since it is smaller than the sum of its proper divisors (458320054640).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

366656043640 is a wasteful number, since it uses less digits than its factorization.

366656043640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9166401102 (or 9166401098 counting only the distinct ones).

The product of its (nonzero) digits is 5598720, while the sum is 49.

The spelling of 366656043640 in words is "three hundred sixty-six billion, six hundred fifty-six million, forty-three thousand, six hundred forty".