266626652 has 6 divisors (see below), whose sum is σ = 466596648. Its totient is φ = 133313324.

The previous prime is 266626651. The next prime is 266626673. The reversal of 266626652 is 256626662.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266626651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33328328 + ... + 33328335.

It is an arithmetic number, because the mean of its divisors is an integer number (77766108).

Almost surely, 2^266626652 is an apocalyptic number.

It is an amenable number.

266626652 is a deficient number, since it is larger than the sum of its proper divisors (199969996).

266626652 is a wasteful number, since it uses less digits than its factorization.

266626652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66656667 (or 66656665 counting only the distinct ones).

The product of its digits is 311040, while the sum is 41.

The square root of 266626652 is about 16328.7063786449. The cubic root of 266626652 is about 643.6273933467.

The spelling of 266626652 in words is "two hundred sixty-six million, six hundred twenty-six thousand, six hundred fifty-two".