266653461612252 has 48 divisors (see below), whose sum is σ = 730966132536192. Its totient is φ = 74588380870080.

The previous prime is 266653461612173. The next prime is 266653461612253. The reversal of 266653461612252 is 252216164356662.

266653461612252 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×266653461612252² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 266653461612192 and 266653461612201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266653461612253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77696228358 + ... + 77696231789.

It is an arithmetic number, because the mean of its divisors is an integer number (15228461094504).

Almost surely, 2^{266653461612252} is an apocalyptic number.

266653461612252 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

266653461612252 is an abundant number, since it is smaller than the sum of its proper divisors (464312670923940).

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

266653461612252 is a wasteful number, since it uses less digits than its factorization.

266653461612252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155392460178 (or 155392460176 counting only the distinct ones).

The product of its digits is 37324800, while the sum is 57.

The spelling of 266653461612252 in words is "two hundred sixty-six trillion, six hundred fifty-three billion, four hundred sixty-one million, six hundred twelve thousand, two hundred fifty-two".