26666069162460 has 768 divisors, whose sum is σ = 98788515840000. Its totient is φ = 5217578053632.

The previous prime is 26666069162393. The next prime is 26666069162471. The reversal of 26666069162460 is 6426196066662.

It is a super-2 number, since 2×26666069162460² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a junction number, because it is equal to n+sod(n) for n = 26666069162394 and 26666069162403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 1462828626 + ... + 1462846854.

It is an arithmetic number, because the mean of its divisors is an integer number (128630880000).

Almost surely, 2^{26666069162460} is an apocalyptic number.

26666069162460 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 26666069162460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49394257920000).

26666069162460 is an abundant number, since it is smaller than the sum of its proper divisors (72122446677540).

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

26666069162460 is a wasteful number, since it uses less digits than its factorization.

26666069162460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18578 (or 18576 counting only the distinct ones).

The product of its (nonzero) digits is 40310784, while the sum is 60.

The spelling of 26666069162460 in words is "twenty-six trillion, six hundred sixty-six billion, sixty-nine million, one hundred sixty-two thousand, four hundred sixty".