16500527551 has 2 divisors, whose sum is σ = 16500527552. Its totient is φ = 16500527550.

The previous prime is 16500527501. The next prime is 16500527569. The reversal of 16500527551 is 15572500561.

It is a strong prime.

It is an emirp because it is prime and its reverse (15572500561) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16500527551 - 2⁷ = 16500527423 is a prime.

It is a super-2 number, since 2×16500527551² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 16500527551.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16500527501) 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 as a sum of consecutive naturals, namely, 8250263775 + 8250263776.

It is an arithmetic number, because the mean of its divisors is an integer number (8250263776).

Almost surely, 2^16500527551 is an apocalyptic number.

16500527551 is a deficient number, since it is larger than the sum of its proper divisors (1).

16500527551 is an equidigital number, since it uses as much as digits as its factorization.

16500527551 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 52500, while the sum is 37.

The spelling of 16500527551 in words is "sixteen billion, five hundred million, five hundred twenty-seven thousand, five hundred fifty-one".