16516010012 has 12 divisors (see below), whose sum is σ = 29087114280. Its totient is φ = 8205405936.

The previous prime is 16516010011. The next prime is 16516010099. The reversal of 16516010012 is 21001061561.

It is a self number, because there is not a number n which added to its sum of digits gives 16516010012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16516010011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13149062 + ... + 13150317.

It is an arithmetic number, because the mean of its divisors is an integer number (2423926190).

Almost surely, 2^16516010012 is an apocalyptic number.

It is an amenable number.

16516010012 is a deficient number, since it is larger than the sum of its proper divisors (12571104268).

16516010012 is a wasteful number, since it uses less digits than its factorization.

16516010012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26299540 (or 26299538 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 23.

Adding to 16516010012 its reverse (21001061561), we get a palindrome (37517071573).

The spelling of 16516010012 in words is "sixteen billion, five hundred sixteen million, ten thousand, twelve".