546348681 has 36 divisors (see below), whose sum is σ = 822303300. Its totient is φ = 349531200.

The previous prime is 546348659. The next prime is 546348701. The reversal of 546348681 is 186843645.

546348681 is a `hidden beast` number, since 5 + 4 + 634 + 8 + 6 + 8 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 157628025 + 388720656 = 12555^2 + 19716^2 .

It is not a de Polignac number, because 546348681 - 2⁶ = 546348617 is a prime.

It is a super-2 number, since 2×546348681² = 596993762460879522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (546348611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1565295 + ... + 1565643.

Almost surely, 2^546348681 is an apocalyptic number.

It is an amenable number.

546348681 is a deficient number, since it is larger than the sum of its proper divisors (275954619).

546348681 is a wasteful number, since it uses less digits than its factorization.

546348681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 598 (or 564 counting only the distinct ones).

The product of its digits is 552960, while the sum is 45.

The square root of 546348681 is about 23374.1027849199. The cubic root of 546348681 is about 817.5041505835.

The spelling of 546348681 in words is "five hundred forty-six million, three hundred forty-eight thousand, six hundred eighty-one".