16231322277 has 6 divisors (see below), whose sum is σ = 23445243302. Its totient is φ = 10820881512.

The previous prime is 16231322267. The next prime is 16231322291. The reversal of 16231322277 is 77222313261.

16231322277 is a `hidden beast` number, since 1 + 62 + 3 + 1 + 322 + 277 = 666.

It can be written as a sum of positive squares in only one way, i.e., 13634298756 + 2597023521 = 116766^2 + 50961^2 .

It is not a de Polignac number, because 16231322277 - 2¹¹ = 16231320229 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16231322267) 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 5 ways as a sum of consecutive naturals, for example, 901740118 + ... + 901740135.

Almost surely, 2^16231322277 is an apocalyptic number.

It is an amenable number.

16231322277 is a deficient number, since it is larger than the sum of its proper divisors (7213921025).

16231322277 is a wasteful number, since it uses less digits than its factorization.

16231322277 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1803480259 (or 1803480256 counting only the distinct ones).

The product of its digits is 42336, while the sum is 36.

The spelling of 16231322277 in words is "sixteen billion, two hundred thirty-one million, three hundred twenty-two thousand, two hundred seventy-seven".