18546540103 has 8 divisors (see below), whose sum is σ = 22826511008. Its totient is φ = 14674185504.

The previous prime is 18546540079. The next prime is 18546540127. The reversal of 18546540103 is 30104564581.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (18546540079) and next prime (18546540127).

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

It is a cyclic number.

It is not a de Polignac number, because 18546540103 - 2⁵ = 18546540071 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18546540163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101903976 + ... + 101904157.

It is an arithmetic number, because the mean of its divisors is an integer number (2853313876).

Almost surely, 2^18546540103 is an apocalyptic number.

18546540103 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

18546540103 is a deficient number, since it is larger than the sum of its proper divisors (4279970905).

18546540103 is a wasteful number, since it uses less digits than its factorization.

18546540103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203808153.

The product of its (nonzero) digits is 57600, while the sum is 37.

The spelling of 18546540103 in words is "eighteen billion, five hundred forty-six million, five hundred forty thousand, one hundred three".