266421676643702 has 8 divisors (see below), whose sum is σ = 399640633929936. Its totient is φ = 133208132000392.

The previous prime is 266421676643669. The next prime is 266421676643753. The reversal of 266421676643702 is 207346676124662.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1353037673 + ... + 1353234564.

It is an arithmetic number, because the mean of its divisors is an integer number (49955079241242).

Almost surely, 2^{266421676643702} is an apocalyptic number.

266421676643702 is a deficient number, since it is larger than the sum of its proper divisors (133218957286234).

266421676643702 is a wasteful number, since it uses less digits than its factorization.

266421676643702 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2706321462.

The product of its (nonzero) digits is 146313216, while the sum is 62.

The spelling of 266421676643702 in words is "two hundred sixty-six trillion, four hundred twenty-one billion, six hundred seventy-six million, six hundred forty-three thousand, seven hundred two".