16499347200 has 648 divisors, whose sum is σ = 68112751616. Its totient is φ = 3732480000.

The previous prime is 16499347159. The next prime is 16499347213. The reversal of 16499347200 is 274399461.

It is a happy number.

16499347200 is a `hidden beast` number, since 16 + 4 + 99 + 347 + 200 = 666.

It is a super-2 number, since 2×16499347200² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 60883065 + ... + 60883335.

Almost surely, 2^16499347200 is an apocalyptic number.

16499347200 is a gapful number since it is divisible by the number (10) 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 16499347200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34056375808).

16499347200 is an abundant number, since it is smaller than the sum of its proper divisors (51613404416).

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

16499347200 is a wasteful number, since it uses less digits than its factorization.

16499347200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461 (or 439 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 45.

The spelling of 16499347200 in words is "sixteen billion, four hundred ninety-nine million, three hundred forty-seven thousand, two hundred".