6161951518847 has 2 divisors, whose sum is σ = 6161951518848. Its totient is φ = 6161951518846.

The previous prime is 6161951518787. The next prime is 6161951518897. The reversal of 6161951518847 is 7488151591616.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6161951518847 - 2¹² = 6161951514751 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6161951518847.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6161951518897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3080975759423 + 3080975759424.

It is an arithmetic number, because the mean of its divisors is an integer number (3080975759424).

Almost surely, 2^{6161951518847} is an apocalyptic number.

6161951518847 is a deficient number, since it is larger than the sum of its proper divisors (1).

6161951518847 is an equidigital number, since it uses as much as digits as its factorization.

6161951518847 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14515200, while the sum is 62.

The spelling of 6161951518847 in words is "six trillion, one hundred sixty-one billion, nine hundred fifty-one million, five hundred eighteen thousand, eight hundred forty-seven".