266672293908 has 24 divisors (see below), whose sum is σ = 658837432512. Its totient is φ = 83661896064.

The previous prime is 266672293907. The next prime is 266672293957. The reversal of 266672293908 is 809392276662.

It is a happy number.

It is a super-2 number, since 2×266672293908² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266672293907) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 653608360 + ... + 653608767.

It is an arithmetic number, because the mean of its divisors is an integer number (27451559688).

Almost surely, 2^266672293908 is an apocalyptic number.

It is an amenable number.

266672293908 is an abundant number, since it is smaller than the sum of its proper divisors (392165138604).

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

266672293908 is a wasteful number, since it uses less digits than its factorization.

266672293908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1307217151 (or 1307217149 counting only the distinct ones).

The product of its (nonzero) digits is 23514624, while the sum is 60.

The spelling of 266672293908 in words is "two hundred sixty-six billion, six hundred seventy-two million, two hundred ninety-three thousand, nine hundred eight".