543556445451366 has 8 divisors (see below), whose sum is σ = 1087112890902744. Its totient is φ = 181185481817120.

The previous prime is 543556445451361. The next prime is 543556445451457. The reversal of 543556445451366 is 663154544655345.

It is a sphenic number, since it is the product of 3 distinct primes.

543556445451366 is an admirable number.

It is a super-2 number, since 2×543556445451366² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 543556445451297 and 543556445451306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (543556445451361) 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, 45296370454275 + ... + 45296370454286.

It is an arithmetic number, because the mean of its divisors is an integer number (135889111362843).

Almost surely, 2^{543556445451366} is an apocalyptic number.

543556445451366 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

543556445451366 is a wasteful number, since it uses less digits than its factorization.

543556445451366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90592740908566.

The product of its digits is 1555200000, while the sum is 66.

The spelling of 543556445451366 in words is "five hundred forty-three trillion, five hundred fifty-six billion, four hundred forty-five million, four hundred fifty-one thousand, three hundred sixty-six".