16725014551 has 4 divisors (see below), whose sum is σ = 19114302352. Its totient is φ = 14335726752.

The previous prime is 16725014549. The next prime is 16725014563. The reversal of 16725014551 is 15541052761.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 16725014551 - 2¹ = 16725014549 is a prime.

It is a super-2 number, since 2×16725014551² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16725014551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16725014521) 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 3 ways as a sum of consecutive naturals, for example, 1194643890 + ... + 1194643903.

It is an arithmetic number, because the mean of its divisors is an integer number (4778575588).

Almost surely, 2^16725014551 is an apocalyptic number.

16725014551 is a deficient number, since it is larger than the sum of its proper divisors (2389287801).

16725014551 is an equidigital number, since it uses as much as digits as its factorization.

16725014551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2389287800.

The product of its (nonzero) digits is 42000, while the sum is 37.

The spelling of 16725014551 in words is "sixteen billion, seven hundred twenty-five million, fourteen thousand, five hundred fifty-one".