16575125506 has 4 divisors (see below), whose sum is σ = 24862688262. Its totient is φ = 8287562752.

The previous prime is 16575125471. The next prime is 16575125507. The reversal of 16575125506 is 60552157561.

16575125506 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in only one way, i.e., 12204725625 + 4370399881 = 110475^2 + 66109^2 .

It is not an unprimeable number, because it can be changed into a prime (16575125507) 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 as a sum of consecutive naturals, namely, 4143781375 + ... + 4143781378.

Almost surely, 2^16575125506 is an apocalyptic number.

16575125506 is a deficient number, since it is larger than the sum of its proper divisors (8287562756).

16575125506 is an equidigital number, since it uses as much as digits as its factorization.

16575125506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8287562755.

The product of its (nonzero) digits is 315000, while the sum is 43.

The spelling of 16575125506 in words is "sixteen billion, five hundred seventy-five million, one hundred twenty-five thousand, five hundred six".