266016078919 has 2 divisors, whose sum is σ = 266016078920. Its totient is φ = 266016078918.

The previous prime is 266016078907. The next prime is 266016078941. The reversal of 266016078919 is 919870610662.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 266016078919 - 2⁹ = 266016078407 is a prime.

It is a super-2 number, since 2×266016078919² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 266016078919.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (266016078019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 133008039459 + 133008039460.

It is an arithmetic number, because the mean of its divisors is an integer number (133008039460).

Almost surely, 2^266016078919 is an apocalyptic number.

266016078919 is a deficient number, since it is larger than the sum of its proper divisors (1).

266016078919 is an equidigital number, since it uses as much as digits as its factorization.

266016078919 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1959552, while the sum is 55.

The spelling of 266016078919 in words is "two hundred sixty-six billion, sixteen million, seventy-eight thousand, nine hundred nineteen".