16004031487 has 2 divisors, whose sum is σ = 16004031488. Its totient is φ = 16004031486.

The previous prime is 16004031469. The next prime is 16004031509. The reversal of 16004031487 is 78413040061.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16004031487 - 2²⁷ = 15869813759 is a prime.

It is a super-2 number, since 2×16004031487² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16004031287) 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, 8002015743 + 8002015744.

It is an arithmetic number, because the mean of its divisors is an integer number (8002015744).

Almost surely, 2^16004031487 is an apocalyptic number.

16004031487 is a deficient number, since it is larger than the sum of its proper divisors (1).

16004031487 is an equidigital number, since it uses as much as digits as its factorization.

16004031487 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16128, while the sum is 34.

The spelling of 16004031487 in words is "sixteen billion, four million, thirty-one thousand, four hundred eighty-seven".