556366224451 has 4 divisors (see below), whose sum is σ = 560747060992. Its totient is φ = 551985387912.

The previous prime is 556366224443. The next prime is 556366224457. The reversal of 556366224451 is 154422663655.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 556366224451 - 2³ = 556366224443 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 556366224395 and 556366224404.

It is not an unprimeable number, because it can be changed into a prime (556366224457) 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, 2190418080 + ... + 2190418333.

It is an arithmetic number, because the mean of its divisors is an integer number (140186765248).

Almost surely, 2^556366224451 is an apocalyptic number.

556366224451 is a deficient number, since it is larger than the sum of its proper divisors (4380836541).

556366224451 is a wasteful number, since it uses less digits than its factorization.

556366224451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4380836540.

The product of its digits is 5184000, while the sum is 49.

The spelling of 556366224451 in words is "five hundred fifty-six billion, three hundred sixty-six million, two hundred twenty-four thousand, four hundred fifty-one".