266212368725 has 12 divisors (see below), whose sum is σ = 331100638560. Its totient is φ = 212326474800.

The previous prime is 266212368707. The next prime is 266212368749. The reversal of 266212368725 is 527863212662.

It is not a de Polignac number, because 266212368725 - 2⁶ = 266212368661 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16077065 + ... + 16093614.

It is an arithmetic number, because the mean of its divisors is an integer number (27591719880).

Almost surely, 2^266212368725 is an apocalyptic number.

266212368725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

266212368725 is a deficient number, since it is larger than the sum of its proper divisors (64888269835).

266212368725 is a wasteful number, since it uses less digits than its factorization.

266212368725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32171020 (or 32171015 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 50.

The spelling of 266212368725 in words is "two hundred sixty-six billion, two hundred twelve million, three hundred sixty-eight thousand, seven hundred twenty-five".