16542203312 has 40 divisors (see below), whose sum is σ = 32929614096. Its totient is φ = 8044413696.

The previous prime is 16542203269. The next prime is 16542203333. The reversal of 16542203312 is 21330224561.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2419643 + ... + 2426469.

Almost surely, 2^16542203312 is an apocalyptic number.

It is an amenable number.

16542203312 is a deficient number, since it is larger than the sum of its proper divisors (16387410784).

16542203312 is a wasteful number, since it uses less digits than its factorization.

16542203312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10965 (or 10959 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

Adding to 16542203312 its reverse (21330224561), we get a palindrome (37872427873).

The spelling of 16542203312 in words is "sixteen billion, five hundred forty-two million, two hundred three thousand, three hundred twelve".