16551060252 has 12 divisors (see below), whose sum is σ = 38619140616. Its totient is φ = 5517020080.

The previous prime is 16551060217. The next prime is 16551060263. The reversal of 16551060252 is 25206015561.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 689627499 + ... + 689627522.

It is an arithmetic number, because the mean of its divisors is an integer number (3218261718).

Almost surely, 2^16551060252 is an apocalyptic number.

16551060252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16551060252 is an abundant number, since it is smaller than the sum of its proper divisors (22068080364).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16551060252 is a wasteful number, since it uses less digits than its factorization.

16551060252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1379255028 (or 1379255026 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 33.

The spelling of 16551060252 in words is "sixteen billion, five hundred fifty-one million, sixty thousand, two hundred fifty-two".