56203456404366 has 16 divisors (see below), whose sum is σ = 124896569787600. Its totient is φ = 18734485468104.

The previous prime is 56203456404341. The next prime is 56203456404367. The reversal of 56203456404366 is 66340465430265.

56203456404366 is a `hidden beast` number, since 5 + 6 + 2 + 0 + 34 + 564 + 0 + 43 + 6 + 6 = 666.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54), and also a Moran number because the ratio is a prime number: 1040804748229 = 56203456404366 / (5 + 6 + 2 + 0 + 3 + 4 + 5 + 6 + 4 + 0 + 4 + 3 + 6 + 6).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56203456404367) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 520402374061 + ... + 520402374168.

It is an arithmetic number, because the mean of its divisors is an integer number (7806035611725).

Almost surely, 2^{56203456404366} is an apocalyptic number.

56203456404366 is an abundant number, since it is smaller than the sum of its proper divisors (68693113383234).

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

56203456404366 is a wasteful number, since it uses less digits than its factorization.

56203456404366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1040804748240 (or 1040804748234 counting only the distinct ones).

The product of its (nonzero) digits is 37324800, while the sum is 54.

The spelling of 56203456404366 in words is "fifty-six trillion, two hundred three billion, four hundred fifty-six million, four hundred four thousand, three hundred sixty-six".