16335706987 has 2 divisors, whose sum is σ = 16335706988. Its totient is φ = 16335706986.

The previous prime is 16335706949. The next prime is 16335706999. The reversal of 16335706987 is 78960753361.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16335706987 - 2²³ = 16327318379 is a prime.

It is not a weakly prime, because it can be changed into another prime (16335706787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8167853493 + 8167853494.

It is an arithmetic number, because the mean of its divisors is an integer number (8167853494).

Almost surely, 2^16335706987 is an apocalyptic number.

16335706987 is a deficient number, since it is larger than the sum of its proper divisors (1).

16335706987 is an equidigital number, since it uses as much as digits as its factorization.

16335706987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5715360, while the sum is 55.

The spelling of 16335706987 in words is "sixteen billion, three hundred thirty-five million, seven hundred six thousand, nine hundred eighty-seven".