6206161867987 has 2 divisors, whose sum is σ = 6206161867988. Its totient is φ = 6206161867986.

The previous prime is 6206161867963. The next prime is 6206161867991. The reversal of 6206161867987 is 7897681616026.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6206161867987 is a prime.

It is not a weakly prime, because it can be changed into another prime (6206161267987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3103080933993 + 3103080933994.

It is an arithmetic number, because the mean of its divisors is an integer number (3103080933994).

Almost surely, 2^{6206161867987} is an apocalyptic number.

6206161867987 is a deficient number, since it is larger than the sum of its proper divisors (1).

6206161867987 is an equidigital number, since it uses as much as digits as its factorization.

6206161867987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 73156608, while the sum is 67.

The spelling of 6206161867987 in words is "six trillion, two hundred six billion, one hundred sixty-one million, eight hundred sixty-seven thousand, nine hundred eighty-seven".