18103462738 has 16 divisors (see below), whose sum is σ = 27324801504. Its totient is φ = 8995371840.

The previous prime is 18103462693. The next prime is 18103462759. The reversal of 18103462738 is 83726430181.

It is a junction number, because it is equal to n+sod(n) for n = 18103462694 and 18103462703.

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, 163173 + ... + 250663.

It is an arithmetic number, because the mean of its divisors is an integer number (1707800094).

Almost surely, 2^18103462738 is an apocalyptic number.

18103462738 is a deficient number, since it is larger than the sum of its proper divisors (9221338766).

18103462738 is a wasteful number, since it uses less digits than its factorization.

18103462738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88137.

The product of its (nonzero) digits is 193536, while the sum is 43.

The spelling of 18103462738 in words is "eighteen billion, one hundred three million, four hundred sixty-two thousand, seven hundred thirty-eight".