499168100 has 18 divisors (see below), whose sum is σ = 1083194994. Its totient is φ = 199667200.

The previous prime is 499168091. The next prime is 499168139. The reversal of 499168100 is 1861994.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 3136 + 499164964 = 56^2 + 22342^2 .

It is a super-2 number, since 2×499168100² = 498337584115220000, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2495741 + ... + 2495940.

Almost surely, 2^499168100 is an apocalyptic number.

It is an amenable number.

499168100 is an abundant number, since it is smaller than the sum of its proper divisors (584026894).

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

499168100 is a wasteful number, since it uses less digits than its factorization.

499168100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4991695 (or 4991688 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 38.

The square root of 499168100 is about 22342.0701816103. The cubic root of 499168100 is about 793.2600953192.

The spelling of 499168100 in words is "four hundred ninety-nine million, one hundred sixty-eight thousand, one hundred".