16725256664 has 8 divisors (see below), whose sum is σ = 31359856260. Its totient is φ = 8362628328.

The previous prime is 16725256663. The next prime is 16725256697. The reversal of 16725256664 is 46665252761.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16725256663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1045328534 + ... + 1045328549.

Almost surely, 2^16725256664 is an apocalyptic number.

It is an amenable number.

16725256664 is a deficient number, since it is larger than the sum of its proper divisors (14634599596).

16725256664 is a wasteful number, since it uses less digits than its factorization.

16725256664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2090657089 (or 2090657085 counting only the distinct ones).

The product of its digits is 3628800, while the sum is 50.

The spelling of 16725256664 in words is "sixteen billion, seven hundred twenty-five million, two hundred fifty-six thousand, six hundred sixty-four".