2461666166647 has 2 divisors, whose sum is σ = 2461666166648. Its totient is φ = 2461666166646.

The previous prime is 2461666166639. The next prime is 2461666166657. The reversal of 2461666166647 is 7466616661642.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2461666166647 - 2³ = 2461666166639 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2461666166657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1230833083323 + 1230833083324.

It is an arithmetic number, because the mean of its divisors is an integer number (1230833083324).

Almost surely, 2^{2461666166647} is an apocalyptic number.

2461666166647 is a deficient number, since it is larger than the sum of its proper divisors (1).

2461666166647 is an equidigital number, since it uses as much as digits as its factorization.

2461666166647 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 62705664, while the sum is 61.

The spelling of 2461666166647 in words is "two trillion, four hundred sixty-one billion, six hundred sixty-six million, one hundred sixty-six thousand, six hundred forty-seven".