16163016525 has 18 divisors (see below), whose sum is σ = 28949758890. Its totient is φ = 8620275360.

The previous prime is 16163016521. The next prime is 16163016559. The reversal of 16163016525 is 52561036161.

16163016525 is a `hidden beast` number, since 1 + 6 + 1 + 630 + 16 + 5 + 2 + 5 = 666.

16163016525 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 19027044 + 16143989481 = 4362^2 + 127059^2 .

It is not a de Polignac number, because 16163016525 - 2² = 16163016521 is a prime.

It is a super-2 number, since 2×16163016525² (a number of 21 digits) contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 16163016525.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16163016521) by changing a digit.

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 17 ways as a sum of consecutive naturals, for example, 35917590 + ... + 35918039.

Almost surely, 2^16163016525 is an apocalyptic number.

16163016525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16163016525 is a deficient number, since it is larger than the sum of its proper divisors (12786742365).

16163016525 is a wasteful number, since it uses less digits than its factorization.

16163016525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71835645 (or 71835637 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The spelling of 16163016525 in words is "sixteen billion, one hundred sixty-three million, sixteen thousand, five hundred twenty-five".