16025534464 has 135 divisors (see below), whose sum is σ = 34301445843. Its totient is φ = 7486144512.

The previous prime is 16025534377. The next prime is 16025534471. The reversal of 16025534464 is 46443552061.

The square root of 16025534464 is 126592.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 372686827 + ... + 372686869.

Almost surely, 2^16025534464 is an apocalyptic number.

16025534464 is the 126592-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16025534464

16025534464 is an abundant number, since it is smaller than the sum of its proper divisors (18275911379).

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

16025534464 is an frugal number, since it uses more digits than its factorization.

16025534464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160 (or 68 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 40.

The spelling of 16025534464 in words is "sixteen billion, twenty-five million, five hundred thirty-four thousand, four hundred sixty-four".