499191616 has 168 divisors, whose sum is σ = 1303020000. Its totient is φ = 187407360.

The previous prime is 499191479. The next prime is 499191619. The reversal of 499191616 is 616191994.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (499191619) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1000135 + ... + 1000633.

Almost surely, 2^499191616 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 499191616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (651510000).

499191616 is an abundant number, since it is smaller than the sum of its proper divisors (803828384).

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

499191616 is a wasteful number, since it uses less digits than its factorization.

499191616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 565 (or 548 counting only the distinct ones).

The product of its digits is 104976, while the sum is 46.

The square root of 499191616 is about 22342.5964471455. The cubic root of 499191616 is about 793.2725520523.

The spelling of 499191616 in words is "four hundred ninety-nine million, one hundred ninety-one thousand, six hundred sixteen".