498116818638 has 48 divisors (see below), whose sum is σ = 1117769468400. Its totient is φ = 160126686720.

The previous prime is 498116818621. The next prime is 498116818691. The reversal of 498116818638 is 836818611894.

498116818638 is a `hidden beast` number, since 498 + 1 + 1 + 6 + 81 + 8 + 63 + 8 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 107043 + ... + 1003838.

It is an arithmetic number, because the mean of its divisors is an integer number (23286863925).

Almost surely, 2^498116818638 is an apocalyptic number.

498116818638 is an abundant number, since it is smaller than the sum of its proper divisors (619652649762).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

498116818638 is a wasteful number, since it uses less digits than its factorization.

498116818638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1111777 (or 1111774 counting only the distinct ones).

The product of its digits is 15925248, while the sum is 63.

The spelling of 498116818638 in words is "four hundred ninety-eight billion, one hundred sixteen million, eight hundred eighteen thousand, six hundred thirty-eight".