16564081514 has 16 divisors (see below), whose sum is σ = 25439837280. Its totient is φ = 8084376720.

The previous prime is 16564081489. The next prime is 16564081517. The reversal of 16564081514 is 41518046561.

It is not an unprimeable number, because it can be changed into a prime (16564081517) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79997 + ... + 198815.

It is an arithmetic number, because the mean of its divisors is an integer number (1589989830).

Almost surely, 2^16564081514 is an apocalyptic number.

16564081514 is a deficient number, since it is larger than the sum of its proper divisors (8875755766).

16564081514 is a wasteful number, since it uses less digits than its factorization.

16564081514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120485.

The product of its (nonzero) digits is 115200, while the sum is 41.

The spelling of 16564081514 in words is "sixteen billion, five hundred sixty-four million, eighty-one thousand, five hundred fourteen".