16031297871 has 16 divisors (see below), whose sum is σ = 24516203520. Its totient is φ = 10342772280.

The previous prime is 16031297869. The next prime is 16031297879. The reversal of 16031297871 is 17879213061.

It is not a de Polignac number, because 16031297871 - 2¹ = 16031297869 is a prime.

It is a super-2 number, since 2×16031297871² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16031297879) 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 15 ways as a sum of consecutive naturals, for example, 9575805 + ... + 9577478.

It is an arithmetic number, because the mean of its divisors is an integer number (1532262720).

Almost surely, 2^16031297871 is an apocalyptic number.

16031297871 is a deficient number, since it is larger than the sum of its proper divisors (8484905649).

16031297871 is a wasteful number, since it uses less digits than its factorization.

16031297871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19153323 (or 19153317 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 45.

The spelling of 16031297871 in words is "sixteen billion, thirty-one million, two hundred ninety-seven thousand, eight hundred seventy-one".