266653461613042 has 24 divisors (see below), whose sum is σ = 477858299389164. Its totient is φ = 111191404840992.

The previous prime is 266653461613039. The next prime is 266653461613073. The reversal of 266653461613042 is 240316164356662.

266653461613042 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 243308803492881 + 23344658120161 = 15598359^2 + 4831631^2 .

It is a super-2 number, since 2×266653461613042² (a number of 30 digits) contains 22 as substring.

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, 36769640833 + ... + 36769648084.

Almost surely, 2^{266653461613042} is an apocalyptic number.

266653461613042 is a deficient number, since it is larger than the sum of its proper divisors (211204837776122).

266653461613042 is a wasteful number, since it uses less digits than its factorization.

266653461613042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73539288970 (or 73539288963 counting only the distinct ones).

The product of its (nonzero) digits is 22394880, while the sum is 55.

The spelling of 266653461613042 in words is "two hundred sixty-six trillion, six hundred fifty-three billion, four hundred sixty-one million, six hundred thirteen thousand, forty-two".