16564112125042 has 16 divisors (see below), whose sum is σ = 26068110891264. Its totient is φ = 7883501274000.

The previous prime is 16564112125031. The next prime is 16564112125051. The reversal of 16564112125042 is 24052121146561.

It is a junction number, because it is equal to n+sod(n) for n = 16564112124986 and 16564112125004.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2189857684 + ... + 2189865247.

It is an arithmetic number, because the mean of its divisors is an integer number (1629256930704).

Almost surely, 2^{16564112125042} is an apocalyptic number.

16564112125042 is a deficient number, since it is larger than the sum of its proper divisors (9503998766222).

16564112125042 is a wasteful number, since it uses less digits than its factorization.

16564112125042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4379723025.

The product of its (nonzero) digits is 115200, while the sum is 40.

The spelling of 16564112125042 in words is "sixteen trillion, five hundred sixty-four billion, one hundred twelve million, one hundred twenty-five thousand, forty-two".