266677344736166 has 96 divisors (see below), whose sum is σ = 530271635539968. Its totient is φ = 99490534355520.

The previous prime is 266677344736133. The next prime is 266677344736177. The reversal of 266677344736166 is 661637443776662.

It is a super-2 number, since 2×266677344736166² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 266677344736093 and 266677344736102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 62011070 + ... + 66171953.

It is an arithmetic number, because the mean of its divisors is an integer number (5523662870208).

Almost surely, 2^{266677344736166} is an apocalyptic number.

266677344736166 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

266677344736166 is a deficient number, since it is larger than the sum of its proper divisors (263594290803802).

266677344736166 is a wasteful number, since it uses less digits than its factorization.

266677344736166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128183146 (or 128183139 counting only the distinct ones).

The product of its digits is 4608866304, while the sum is 74.

The spelling of 266677344736166 in words is "two hundred sixty-six trillion, six hundred seventy-seven billion, three hundred forty-four million, seven hundred thirty-six thousand, one hundred sixty-six".