546123321645 has 32 divisors (see below), whose sum is σ = 960739246080. Its totient is φ = 262702117440.

The previous prime is 546123321587. The next prime is 546123321647.

546123321645 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 546123321645 - 2¹² = 546123317549 is a prime.

It is a super-3 number, since 3×546123321645³ (a number of 36 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 546123321597 and 546123321606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (546123321647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13009905 + ... + 13051814.

It is an arithmetic number, because the mean of its divisors is an integer number (30023101440).

Almost surely, 2^546123321645 is an apocalyptic number.

546123321645 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

546123321645 is a deficient number, since it is larger than the sum of its proper divisors (414615924435).

546123321645 is a wasteful number, since it uses less digits than its factorization.

546123321645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26061865.

The product of its digits is 518400, while the sum is 42.

It can be divided in two parts, 546123 and 321645, that added together give a palindrome (867768).

The spelling of 546123321645 in words is "five hundred forty-six billion, one hundred twenty-three million, three hundred twenty-one thousand, six hundred forty-five".