16771292506 has 12 divisors (see below), whose sum is σ = 26723807838. Its totient is φ = 7892372672.

The previous prime is 16771292491. The next prime is 16771292507. The reversal of 16771292506 is 60529217761.

It can be written as a sum of positive squares in 3 ways, for example, as 16023762225 + 747530281 = 126585^2 + 27341^2 .

It is not an unprimeable number, because it can be changed into a prime (16771292507) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14507461 + ... + 14508616.

Almost surely, 2^16771292506 is an apocalyptic number.

16771292506 is a deficient number, since it is larger than the sum of its proper divisors (9952515332).

16771292506 is a wasteful number, since it uses less digits than its factorization.

16771292506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29016113 (or 29016096 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 46.

The spelling of 16771292506 in words is "sixteen billion, seven hundred seventy-one million, two hundred ninety-two thousand, five hundred six".