16751725520 has 40 divisors (see below), whose sum is σ = 39070684584. Its totient is φ = 6679542272.

The previous prime is 16751725513. The next prime is 16751725537. The reversal of 16751725520 is 2552715761.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 118336 + 16751607184 = 344^2 + 129428^2 .

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 (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 304919 + ... + 355638.

Almost surely, 2^16751725520 is an apocalyptic number.

16751725520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16751725520 is an abundant number, since it is smaller than the sum of its proper divisors (22318959064).

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

16751725520 is a wasteful number, since it uses less digits than its factorization.

16751725520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 660887 (or 660881 counting only the distinct ones).

The product of its (nonzero) digits is 147000, while the sum is 41.

The spelling of 16751725520 in words is "sixteen billion, seven hundred fifty-one million, seven hundred twenty-five thousand, five hundred twenty".