16045346512 has 30 divisors (see below), whose sum is σ = 33483044882. Its totient is φ = 7404701376.

The previous prime is 16045346501. The next prime is 16045346539. The reversal of 16045346512 is 21564354061.

It can be written as a sum of positive squares in only one way, i.e., 11108316816 + 4937029696 = 105396^2 + 70264^2 .

It is a super-2 number, since 2×16045346512² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1822473 + ... + 1831255.

Almost surely, 2^16045346512 is an apocalyptic number.

It is an amenable number.

16045346512 is an abundant number, since it is smaller than the sum of its proper divisors (17437698370).

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

16045346512 is an frugal number, since it uses more digits than its factorization.

16045346512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17587 (or 8798 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 37.

The spelling of 16045346512 in words is "sixteen billion, forty-five million, three hundred forty-six thousand, five hundred twelve".