2164726274567 has 2 divisors, whose sum is σ = 2164726274568. Its totient is φ = 2164726274566.

The previous prime is 2164726274519. The next prime is 2164726274639. The reversal of 2164726274567 is 7654726274612.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2164726274567 - 2¹⁰ = 2164726273543 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2164726274507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1082363137283 + 1082363137284.

It is an arithmetic number, because the mean of its divisors is an integer number (1082363137284).

Almost surely, 2^{2164726274567} is an apocalyptic number.

2164726274567 is a deficient number, since it is larger than the sum of its proper divisors (1).

2164726274567 is an equidigital number, since it uses as much as digits as its factorization.

2164726274567 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 47416320, while the sum is 59.

The spelling of 2164726274567 in words is "two trillion, one hundred sixty-four billion, seven hundred twenty-six million, two hundred seventy-four thousand, five hundred sixty-seven".