16260354664 has 8 divisors (see below), whose sum is σ = 30488165010. Its totient is φ = 8130177328.

The previous prime is 16260354661. The next prime is 16260354709. The reversal of 16260354664 is 46645306261.

It can be written as a sum of positive squares in only one way, i.e., 8273357764 + 7986996900 = 90958^2 + 89370^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 16260354664.

It is not an unprimeable number, because it can be changed into a prime (16260354661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1016272159 + ... + 1016272174.

Almost surely, 2^16260354664 is an apocalyptic number.

It is an amenable number.

16260354664 is a deficient number, since it is larger than the sum of its proper divisors (14227810346).

16260354664 is a wasteful number, since it uses less digits than its factorization.

16260354664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2032544339 (or 2032544335 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 43.

The spelling of 16260354664 in words is "sixteen billion, two hundred sixty million, three hundred fifty-four thousand, six hundred sixty-four".