16031494757 has 2 divisors, whose sum is σ = 16031494758. Its totient is φ = 16031494756.

The previous prime is 16031494711. The next prime is 16031494763. The reversal of 16031494757 is 75749413061.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13661168161 + 2370326596 = 116881^2 + 48686^2 .

It is a cyclic number.

It is not a de Polignac number, because 16031494757 - 2¹⁰ = 16031493733 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16031494057) 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 as a sum of consecutive naturals, namely, 8015747378 + 8015747379.

It is an arithmetic number, because the mean of its divisors is an integer number (8015747379).

Almost surely, 2^16031494757 is an apocalyptic number.

It is an amenable number.

16031494757 is a deficient number, since it is larger than the sum of its proper divisors (1).

16031494757 is an equidigital number, since it uses as much as digits as its factorization.

16031494757 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 635040, while the sum is 47.

The spelling of 16031494757 in words is "sixteen billion, thirty-one million, four hundred ninety-four thousand, seven hundred fifty-seven".