16738216772 has 12 divisors (see below), whose sum is σ = 29704441536. Its totient is φ = 8251233480.

The previous prime is 16738216771. The next prime is 16738216799. The reversal of 16738216772 is 27761283761.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 16738216772.

It is not an unprimeable number, because it can be changed into a prime (16738216771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29468408 + ... + 29468975.

It is an arithmetic number, because the mean of its divisors is an integer number (2475370128).

Almost surely, 2^16738216772 is an apocalyptic number.

It is an amenable number.

16738216772 is a deficient number, since it is larger than the sum of its proper divisors (12966224764).

16738216772 is a wasteful number, since it uses less digits than its factorization.

16738216772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58937458 (or 58937456 counting only the distinct ones).

The product of its digits is 1185408, while the sum is 50.

The spelling of 16738216772 in words is "sixteen billion, seven hundred thirty-eight million, two hundred sixteen thousand, seven hundred seventy-two".