16031529461 has 2 divisors, whose sum is σ = 16031529462. Its totient is φ = 16031529460.

The previous prime is 16031529457. The next prime is 16031529467. The reversal of 16031529461 is 16492513061.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10104069361 + 5927460100 = 100519^2 + 76990^2 .

It is a cyclic number.

It is not a de Polignac number, because 16031529461 - 2² = 16031529457 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16031529467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8015764730 + 8015764731.

It is an arithmetic number, because the mean of its divisors is an integer number (8015764731).

Almost surely, 2^16031529461 is an apocalyptic number.

It is an amenable number.

16031529461 is a deficient number, since it is larger than the sum of its proper divisors (1).

16031529461 is an equidigital number, since it uses as much as digits as its factorization.

16031529461 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 38880, while the sum is 38.

The spelling of 16031529461 in words is "sixteen billion, thirty-one million, five hundred twenty-nine thousand, four hundred sixty-one".