16520201134 has 8 divisors (see below), whose sum is σ = 25579666368. Its totient is φ = 7993645680.

The previous prime is 16520201081. The next prime is 16520201153. The reversal of 16520201134 is 43110202561.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 16520201099 and 16520201108.

It is a congruent number.

It is an unprimeable number.

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, 133227367 + ... + 133227490.

It is an arithmetic number, because the mean of its divisors is an integer number (3197458296).

Almost surely, 2^16520201134 is an apocalyptic number.

16520201134 is a deficient number, since it is larger than the sum of its proper divisors (9059465234).

16520201134 is a wasteful number, since it uses less digits than its factorization.

16520201134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266454890.

The product of its (nonzero) digits is 1440, while the sum is 25.

Adding to 16520201134 its reverse (43110202561), we get a palindrome (59630403695).

The spelling of 16520201134 in words is "sixteen billion, five hundred twenty million, two hundred one thousand, one hundred thirty-four".