18603074546 has 16 divisors (see below), whose sum is σ = 31999834944. Its totient is φ = 7945533744.

The previous prime is 18603074537. The next prime is 18603074561. The reversal of 18603074546 is 64547030681.

It is a super-2 number, since 2×18603074546² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 18603074497 and 18603074506.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2263460 + ... + 2271663.

It is an arithmetic number, because the mean of its divisors is an integer number (1999989684).

Almost surely, 2^18603074546 is an apocalyptic number.

18603074546 is a deficient number, since it is larger than the sum of its proper divisors (13396760398).

18603074546 is a wasteful number, since it uses less digits than its factorization.

18603074546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4535425.

The product of its (nonzero) digits is 483840, while the sum is 44.

The spelling of 18603074546 in words is "eighteen billion, six hundred three million, seventy-four thousand, five hundred forty-six".