16521700058 has 8 divisors (see below), whose sum is σ = 25452348852. Its totient is φ = 8037583776.

The previous prime is 16521700007. The next prime is 16521700103. The reversal of 16521700058 is 85000712561.

16521700058 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 2 ways, for example, as 14968788409 + 1552911649 = 122347^2 + 39407^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 111633035 + ... + 111633182.

Almost surely, 2^16521700058 is an apocalyptic number.

16521700058 is a deficient number, since it is larger than the sum of its proper divisors (8930648794).

16521700058 is a wasteful number, since it uses less digits than its factorization.

16521700058 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223266256.

The product of its (nonzero) digits is 16800, while the sum is 35.

The spelling of 16521700058 in words is "sixteen billion, five hundred twenty-one million, seven hundred thousand, fifty-eight".