16725563546 has 16 divisors (see below), whose sum is σ = 26007228576. Its totient is φ = 8060712336.

The previous prime is 16725563537. The next prime is 16725563549. The reversal of 16725563546 is 64536552761.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 16725563494 and 16725563503.

It is not an unprimeable number, because it can be changed into a prime (16725563549) 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, 1048256 + ... + 1064091.

It is an arithmetic number, because the mean of its divisors is an integer number (1625451786).

Almost surely, 2^16725563546 is an apocalyptic number.

16725563546 is a deficient number, since it is larger than the sum of its proper divisors (9281665030).

16725563546 is a wasteful number, since it uses less digits than its factorization.

16725563546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2112493.

The product of its digits is 4536000, while the sum is 50.

The spelling of 16725563546 in words is "sixteen billion, seven hundred twenty-five million, five hundred sixty-three thousand, five hundred forty-six".