541818818146 has 8 divisors (see below), whose sum is σ = 812798367084. Its totient is φ = 270886029120.

The previous prime is 541818818131. The next prime is 541818818147. The reversal of 541818818146 is 641818818145.

It can be written as a sum of positive squares in 2 ways, for example, as 540746976025 + 1071842121 = 735355^2 + 32739^2 .

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

It is not an unprimeable number, because it can be changed into a prime (541818818147) 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, 11660995 + ... + 11707366.

Almost surely, 2^541818818146 is an apocalyptic number.

541818818146 is a deficient number, since it is larger than the sum of its proper divisors (270979548938).

541818818146 is a wasteful number, since it uses less digits than its factorization.

541818818146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23379956.

The product of its digits is 1966080, while the sum is 55.

Subtracting 541818818146 from its reverse (641818818145), we obtain a palindrome (99999999999).

The spelling of 541818818146 in words is "five hundred forty-one billion, eight hundred eighteen million, eight hundred eighteen thousand, one hundred forty-six".