1516334887 has 2 divisors, whose sum is σ = 1516334888. Its totient is φ = 1516334886.

The previous prime is 1516334879. The next prime is 1516334891. The reversal of 1516334887 is 7884336151.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1516334887 - 2³ = 1516334879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1516334587) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 758167443 + 758167444.

It is an arithmetic number, because the mean of its divisors is an integer number (758167444).

Almost surely, 2^1516334887 is an apocalyptic number.

1516334887 is a deficient number, since it is larger than the sum of its proper divisors (1).

1516334887 is an equidigital number, since it uses as much as digits as its factorization.

1516334887 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 483840, while the sum is 46.

The square root of 1516334887 is about 38940.1449278248. The cubic root of 1516334887 is about 1148.8545335301.

It can be divided in two parts, 151633 and 4887, that added together give a triangular number (156520 = T₅₅₉).

The spelling of 1516334887 in words is "one billion, five hundred sixteen million, three hundred thirty-four thousand, eight hundred eighty-seven".