16042736687 has 2 divisors, whose sum is σ = 16042736688. Its totient is φ = 16042736686.

The previous prime is 16042736683. The next prime is 16042736707. The reversal of 16042736687 is 78663724061.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16042736687 - 2² = 16042736683 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16042736683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8021368343 + 8021368344.

It is an arithmetic number, because the mean of its divisors is an integer number (8021368344).

Almost surely, 2^16042736687 is an apocalyptic number.

16042736687 is a deficient number, since it is larger than the sum of its proper divisors (1).

16042736687 is an equidigital number, since it uses as much as digits as its factorization.

16042736687 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2032128, while the sum is 50.

The spelling of 16042736687 in words is "sixteen billion, forty-two million, seven hundred thirty-six thousand, six hundred eighty-seven".