498195489816 has 256 divisors, whose sum is σ = 1518734448000. Its totient is φ = 150672752640.

The previous prime is 498195489691. The next prime is 498195489871. The reversal of 498195489816 is 618984591894.

498195489816 is a `hidden beast` number, since 49 + 8 + 1 + 95 + 489 + 8 + 16 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 14792356 + ... + 14825996.

Almost surely, 2^498195489816 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 498195489816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (759367224000).

498195489816 is an abundant number, since it is smaller than the sum of its proper divisors (1020538958184).

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

498195489816 is a wasteful number, since it uses less digits than its factorization.

498195489816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33819 (or 33809 counting only the distinct ones).

The product of its digits is 179159040, while the sum is 72.

The spelling of 498195489816 in words is "four hundred ninety-eight billion, one hundred ninety-five million, four hundred eighty-nine thousand, eight hundred sixteen".