16755005072720 has 40 divisors (see below), whose sum is σ = 38958983475144. Its totient is φ = 6701383245312.

The previous prime is 16755005072711. The next prime is 16755005072737. The reversal of 16755005072720 is 2727050055761.

It can be written as a sum of positive squares in 4 ways, for example, as 783600284944 + 15971404787776 = 885212^2 + 3996424^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8796119 + ... + 10530038.

Almost surely, 2^{16755005072720} is an apocalyptic number.

16755005072720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16755005072720 is an abundant number, since it is smaller than the sum of its proper divisors (22203978402424).

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

16755005072720 is a wasteful number, since it uses less digits than its factorization.

16755005072720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19337007 (or 19337001 counting only the distinct ones).

The product of its (nonzero) digits is 1029000, while the sum is 47.

The spelling of 16755005072720 in words is "sixteen trillion, seven hundred fifty-five billion, five million, seventy-two thousand, seven hundred twenty".