16995204072 has 288 divisors, whose sum is σ = 59174955840. Its totient is φ = 4311014400.

The previous prime is 16995204071. The next prime is 16995204077. The reversal of 16995204072 is 27040259961.

16995204072 is a `hidden beast` number, since 16 + 9 + 9 + 520 + 40 + 72 = 666.

It is a super-2 number, since 2×16995204072² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16995204071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2619072 + ... + 2625552.

Almost surely, 2^16995204072 is an apocalyptic number.

16995204072 is a gapful number since it is divisible by the number (12) 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 16995204072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29587477920).

16995204072 is an abundant number, since it is smaller than the sum of its proper divisors (42179751768).

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

16995204072 is a wasteful number, since it uses less digits than its factorization.

16995204072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6565 (or 6547 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The spelling of 16995204072 in words is "sixteen billion, nine hundred ninety-five million, two hundred four thousand, seventy-two".