266006542031612 has 6 divisors (see below), whose sum is σ = 465511448555328. Its totient is φ = 133003271015804.

The previous prime is 266006542031599. The next prime is 266006542031641. The reversal of 266006542031612 is 216130245600662.

It is a happy number.

It is a super-2 number, since 2×266006542031612² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33250817753948 + ... + 33250817753955.

It is an arithmetic number, because the mean of its divisors is an integer number (77585241425888).

Almost surely, 2^{266006542031612} is an apocalyptic number.

It is an amenable number.

266006542031612 is a deficient number, since it is larger than the sum of its proper divisors (199504906523716).

266006542031612 is a wasteful number, since it uses less digits than its factorization.

266006542031612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66501635507907 (or 66501635507905 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 44.

The spelling of 266006542031612 in words is "two hundred sixty-six trillion, six billion, five hundred forty-two million, thirty-one thousand, six hundred twelve".