266697434006 has 4 divisors (see below), whose sum is σ = 400046151012. Its totient is φ = 133348717002.

The previous prime is 266697433993. The next prime is 266697434027. The reversal of 266697434006 is 600434796662.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×266697434006² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66674358500 + ... + 66674358503.

It is an arithmetic number, because the mean of its divisors is an integer number (100011537753).

Almost surely, 2^266697434006 is an apocalyptic number.

266697434006 is a deficient number, since it is larger than the sum of its proper divisors (133348717006).

266697434006 is a wasteful number, since it uses less digits than its factorization.

266697434006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133348717005.

The product of its (nonzero) digits is 7838208, while the sum is 53.

The spelling of 266697434006 in words is "two hundred sixty-six billion, six hundred ninety-seven million, four hundred thirty-four thousand, six".