266704605253460 has 96 divisors (see below), whose sum is σ = 647024237048448. Its totient is φ = 91266265313280.

The previous prime is 266704605253451. The next prime is 266704605253549. The reversal of 266704605253460 is 64352506407662.

It is a super-2 number, since 2×266704605253460² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 266704605253396 and 266704605253405.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22932287 + ... + 32546873.

It is an arithmetic number, because the mean of its divisors is an integer number (6739835802588).

Almost surely, 2^{266704605253460} is an apocalyptic number.

266704605253460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 266704605253460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (323512118524224).

266704605253460 is an abundant number, since it is smaller than the sum of its proper divisors (380319631794988).

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

266704605253460 is a wasteful number, since it uses less digits than its factorization.

266704605253460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9622041 (or 9622039 counting only the distinct ones).

The product of its (nonzero) digits is 43545600, while the sum is 56.

The spelling of 266704605253460 in words is "two hundred sixty-six trillion, seven hundred four billion, six hundred five million, two hundred fifty-three thousand, four hundred sixty".