18104649134 has 64 divisors (see below), whose sum is σ = 34440215040. Its totient is φ = 7015451520.

The previous prime is 18104649133. The next prime is 18104649193. The reversal of 18104649134 is 43194640181.

It is a junction number, because it is equal to n+sod(n) for n = 18104649091 and 18104649100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18104649133) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 143309 + ... + 238215.

It is an arithmetic number, because the mean of its divisors is an integer number (538128360).

Almost surely, 2^18104649134 is an apocalyptic number.

18104649134 is a deficient number, since it is larger than the sum of its proper divisors (16335565906).

18104649134 is a wasteful number, since it uses less digits than its factorization.

18104649134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94985.

The product of its (nonzero) digits is 82944, while the sum is 41.

The spelling of 18104649134 in words is "eighteen billion, one hundred four million, six hundred forty-nine thousand, one hundred thirty-four".