16771050831 has 4 divisors (see below), whose sum is σ = 22361401112. Its totient is φ = 11180700552.

The previous prime is 16771050823. The next prime is 16771050833. The reversal of 16771050831 is 13805017761.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 16771050831 - 2³ = 16771050823 is a prime.

It is a super-2 number, since 2×16771050831² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16771050831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16771050833) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2795175136 + ... + 2795175141.

It is an arithmetic number, because the mean of its divisors is an integer number (5590350278).

Almost surely, 2^16771050831 is an apocalyptic number.

16771050831 is a deficient number, since it is larger than the sum of its proper divisors (5590350281).

16771050831 is an equidigital number, since it uses as much as digits as its factorization.

16771050831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5590350280.

The product of its (nonzero) digits is 35280, while the sum is 39.

The spelling of 16771050831 in words is "sixteen billion, seven hundred seventy-one million, fifty thousand, eight hundred thirty-one".