498511391616 has 384 divisors, whose sum is σ = 1731985132800. Its totient is φ = 134446915584.

The previous prime is 498511391603. The next prime is 498511391627. The reversal of 498511391616 is 616193115894.

498511391616 is a `hidden beast` number, since 4 + 9 + 8 + 5 + 1 + 13 + 9 + 1 + 616 = 666.

It is a tau number, because it is divible by the number of its divisors (384).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 43354380 + ... + 43365876.

It is an arithmetic number, because the mean of its divisors is an integer number (4510377950).

Almost surely, 2^498511391616 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 498511391616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (865992566400).

498511391616 is an abundant number, since it is smaller than the sum of its proper divisors (1233473741184).

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

498511391616 is a wasteful number, since it uses less digits than its factorization.

498511391616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11826 (or 11811 counting only the distinct ones).

The product of its digits is 1399680, while the sum is 54.

The spelling of 498511391616 in words is "four hundred ninety-eight billion, five hundred eleven million, three hundred ninety-one thousand, six hundred sixteen".