266012672764 has 6 divisors (see below), whose sum is σ = 465522177344. Its totient is φ = 133006336380.

The previous prime is 266012672741. The next prime is 266012672813. The reversal of 266012672764 is 467276210662.

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, 33251584092 + ... + 33251584099.

Almost surely, 2^266012672764 is an apocalyptic number.

It is an amenable number.

266012672764 is a deficient number, since it is larger than the sum of its proper divisors (199509504580).

266012672764 is a wasteful number, since it uses less digits than its factorization.

266012672764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66503168195 (or 66503168193 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 49.

The spelling of 266012672764 in words is "two hundred sixty-six billion, twelve million, six hundred seventy-two thousand, seven hundred sixty-four".