16545434312 has 32 divisors (see below), whose sum is σ = 33849748800. Its totient is φ = 7519137600.

The previous prime is 16545434309. The next prime is 16545434341. The reversal of 16545434312 is 21343454561.

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, 501362 + ... + 533342.

It is an arithmetic number, because the mean of its divisors is an integer number (1057804650).

Almost surely, 2^16545434312 is an apocalyptic number.

It is an amenable number.

16545434312 is an abundant number, since it is smaller than the sum of its proper divisors (17304314488).

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

16545434312 is a wasteful number, since it uses less digits than its factorization.

16545434312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37877 (or 37873 counting only the distinct ones).

The product of its digits is 172800, while the sum is 38.

Adding to 16545434312 its reverse (21343454561), we get a palindrome (37888888873).

The spelling of 16545434312 in words is "sixteen billion, five hundred forty-five million, four hundred thirty-four thousand, three hundred twelve".