266679896258048 has 320 divisors, whose sum is σ = 684590155425792. Its totient is φ = 100872201830400.

The previous prime is 266679896258033. The next prime is 266679896258063. The reversal of 266679896258048 is 840852698976662.

It is an interprime number because it is at equal distance from previous prime (266679896258033) and next prime (266679896258063).

It is a super-2 number, since 2×266679896258048² (a number of 30 digits) contains 22 as substring.

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, 2733643640 + ... + 2733741192.

Almost surely, 2^{266679896258048} is an apocalyptic number.

266679896258048 is a gapful number since it is divisible by the number (28) 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 266679896258048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (342295077712896).

266679896258048 is an abundant number, since it is smaller than the sum of its proper divisors (417910259167744).

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

266679896258048 is a wasteful number, since it uses less digits than its factorization.

266679896258048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100165 (or 100149 counting only the distinct ones).

The product of its (nonzero) digits is 30098718720, while the sum is 86.

The spelling of 266679896258048 in words is "two hundred sixty-six trillion, six hundred seventy-nine billion, eight hundred ninety-six million, two hundred fifty-eight thousand, forty-eight".