1672707266563 has 2 divisors, whose sum is σ = 1672707266564. Its totient is φ = 1672707266562.

The previous prime is 1672707266557. The next prime is 1672707266567. The reversal of 1672707266563 is 3656627072761.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1672707266563 - 2²¹ = 1672705169411 is a prime.

It is a super-2 number, since 2×1672707266563² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1672707266498 and 1672707266507.

It is not a weakly prime, because it can be changed into another prime (1672707266567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 836353633281 + 836353633282.

It is an arithmetic number, because the mean of its divisors is an integer number (836353633282).

Almost surely, 2^{1672707266563} is an apocalyptic number.

1672707266563 is a deficient number, since it is larger than the sum of its proper divisors (1).

1672707266563 is an equidigital number, since it uses as much as digits as its factorization.

1672707266563 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26671680, while the sum is 58.

The spelling of 1672707266563 in words is "one trillion, six hundred seventy-two billion, seven hundred seven million, two hundred sixty-six thousand, five hundred sixty-three".