266685040146 has 32 divisors (see below), whose sum is σ = 618151246848. Its totient is φ = 75122545680.

The previous prime is 266685040121. The next prime is 266685040147. The reversal of 266685040146 is 641040586662.

266685040146 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×266685040146² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 266685040095 and 266685040104.

It is not an unprimeable number, because it can be changed into a prime (266685040147) 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 in 15 ways as a sum of consecutive naturals, for example, 44712820 + ... + 44718783.

It is an arithmetic number, because the mean of its divisors is an integer number (19317226464).

Almost surely, 2^266685040146 is an apocalyptic number.

266685040146 is an abundant number, since it is smaller than the sum of its proper divisors (351466206702).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

266685040146 is a wasteful number, since it uses less digits than its factorization.

266685040146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89431686.

The product of its (nonzero) digits is 1658880, while the sum is 48.

The spelling of 266685040146 in words is "two hundred sixty-six billion, six hundred eighty-five million, forty thousand, one hundred forty-six".