266696016016044 has 24 divisors (see below), whose sum is σ = 622525796935168. Its totient is φ = 88865087305680.

The previous prime is 266696016016021. The next prime is 266696016016061. The reversal of 266696016016044 is 440610610696662.

It is a super-2 number, since 2×266696016016044² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4198054372 + ... + 4198117899.

Almost surely, 2^{266696016016044} is an apocalyptic number.

It is an amenable number.

266696016016044 is an abundant number, since it is smaller than the sum of its proper divisors (355829780919124).

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

266696016016044 is a wasteful number, since it uses less digits than its factorization.

266696016016044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8396174925 (or 8396174923 counting only the distinct ones).

The product of its (nonzero) digits is 13436928, while the sum is 57.

The spelling of 266696016016044 in words is "two hundred sixty-six trillion, six hundred ninety-six billion, sixteen million, sixteen thousand, forty-four".