18630786098 has 64 divisors (see below), whose sum is σ = 30757128192. Its totient is φ = 8429890560.

The previous prime is 18630786079. The next prime is 18630786127. The reversal of 18630786098 is 89068703681.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28530740 + ... + 28531392.

It is an arithmetic number, because the mean of its divisors is an integer number (480580128).

Almost surely, 2^18630786098 is an apocalyptic number.

18630786098 is a deficient number, since it is larger than the sum of its proper divisors (12126342094).

18630786098 is a wasteful number, since it uses less digits than its factorization.

18630786098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1019.

The product of its (nonzero) digits is 3483648, while the sum is 56.

The spelling of 18630786098 in words is "eighteen billion, six hundred thirty million, seven hundred eighty-six thousand, ninety-eight".