554437645663 has 24 divisors (see below), whose sum is σ = 613271209824. Its totient is φ = 500860419840.

The previous prime is 554437645613. The next prime is 554437645733. The reversal of 554437645663 is 366546734455.

It is not a de Polignac number, because 554437645663 - 2¹⁷ = 554437514591 is a prime.

It is a super-2 number, since 2×554437645663² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 554437645598 and 554437645607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (554437645613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14161531 + ... + 14200627.

It is an arithmetic number, because the mean of its divisors is an integer number (25552967076).

Almost surely, 2^554437645663 is an apocalyptic number.

554437645663 is a deficient number, since it is larger than the sum of its proper divisors (58833564161).

554437645663 is a wasteful number, since it uses less digits than its factorization.

554437645663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39855 (or 39844 counting only the distinct ones).

The product of its digits is 108864000, while the sum is 58.

The spelling of 554437645663 in words is "five hundred fifty-four billion, four hundred thirty-seven million, six hundred forty-five thousand, six hundred sixty-three".