16564040501024 has 48 divisors (see below), whose sum is σ = 32968924829568. Its totient is φ = 8191232785152.

The previous prime is 16564040501003. The next prime is 16564040501027. The reversal of 16564040501024 is 42010504046561.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (16564040501027) 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, 1846952 + ... + 6044775.

It is an arithmetic number, because the mean of its divisors is an integer number (686852600616).

Almost surely, 2^{16564040501024} is an apocalyptic number.

It is an amenable number.

16564040501024 is a deficient number, since it is larger than the sum of its proper divisors (16404884328544).

16564040501024 is a wasteful number, since it uses less digits than its factorization.

16564040501024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7892457 (or 7892449 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 38.

Adding to 16564040501024 its reverse (42010504046561), we get a palindrome (58574544547585).

The spelling of 16564040501024 in words is "sixteen trillion, five hundred sixty-four billion, forty million, five hundred one thousand, twenty-four".