266916055436 has 24 divisors (see below), whose sum is σ = 493462554480. Its totient is φ = 125977470912.

The previous prime is 266916055421. The next prime is 266916055451. The reversal of 266916055436 is 634550619662.

It is an interprime number because it is at equal distance from previous prime (266916055421) and next prime (266916055451).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6318395 + ... + 6360498.

It is an arithmetic number, because the mean of its divisors is an integer number (20560939770).

Almost surely, 2^266916055436 is an apocalyptic number.

It is an amenable number.

266916055436 is a deficient number, since it is larger than the sum of its proper divisors (226546499044).

266916055436 is a wasteful number, since it uses less digits than its factorization.

266916055436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12679193 (or 12679191 counting only the distinct ones).

The product of its (nonzero) digits is 6998400, while the sum is 53.

The spelling of 266916055436 in words is "two hundred sixty-six billion, nine hundred sixteen million, fifty-five thousand, four hundred thirty-six".