16716120525 has 48 divisors (see below), whose sum is σ = 33070313920. Its totient is φ = 8229470400.

The previous prime is 16716120461. The next prime is 16716120529. The reversal of 16716120525 is 52502161761.

16716120525 is a `hidden beast` number, since 1 + 6 + 7 + 1 + 6 + 120 + 525 = 666.

It is not a de Polignac number, because 16716120525 - 2⁶ = 16716120461 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16716120525.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16716120529) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 943711 + ... + 961260.

Almost surely, 2^16716120525 is an apocalyptic number.

16716120525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16716120525 is a deficient number, since it is larger than the sum of its proper divisors (16354193395).

16716120525 is a wasteful number, since it uses less digits than its factorization.

16716120525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1905003 (or 1904992 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 36.

The spelling of 16716120525 in words is "sixteen billion, seven hundred sixteen million, one hundred twenty thousand, five hundred twenty-five".