499161600 has 360 divisors, whose sum is σ = 2044854240. Its totient is φ = 113909760.

The previous prime is 499161581. The next prime is 499161623. The reversal of 499161600 is 6161994.

499161600 is a `hidden beast` number, since 49 + 9 + 1 + 6 + 1 + 600 = 666.

It is a tau number, because it is divible by the number of its divisors (360).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 806091 + ... + 806709.

Almost surely, 2^499161600 is an apocalyptic number.

499161600 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 499161600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1022427120).

499161600 is an abundant number, since it is smaller than the sum of its proper divisors (1545692640).

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

499161600 is a wasteful number, since it uses less digits than its factorization.

499161600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 660 (or 636 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 499161600 is about 22341.9247156551. The cubic root of 499161600 is about 793.2566521150.

The spelling of 499161600 in words is "four hundred ninety-nine million, one hundred sixty-one thousand, six hundred".