16063653516 has 12 divisors (see below), whose sum is σ = 37481858232. Its totient is φ = 5354551168.

The previous prime is 16063653497. The next prime is 16063653517. The reversal of 16063653516 is 61535636061.

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

It is not an unprimeable number, because it can be changed into a prime (16063653517) 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, 669318885 + ... + 669318908.

It is an arithmetic number, because the mean of its divisors is an integer number (3123488186).

Almost surely, 2^16063653516 is an apocalyptic number.

It is an amenable number.

16063653516 is an abundant number, since it is smaller than the sum of its proper divisors (21418204716).

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

16063653516 is a wasteful number, since it uses less digits than its factorization.

16063653516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1338637800 (or 1338637798 counting only the distinct ones).

The product of its (nonzero) digits is 291600, while the sum is 42.

The spelling of 16063653516 in words is "sixteen billion, sixty-three million, six hundred fifty-three thousand, five hundred sixteen".