26669166196662 has 96 divisors (see below), whose sum is σ = 63737722803456. Its totient is φ = 7991822664000.

The previous prime is 26669166196639. The next prime is 26669166196691.

26669166196662 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×26669166196662² (a number of 28 digits) contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 15648153 + ... + 17268555.

It is an arithmetic number, because the mean of its divisors is an integer number (663934612536).

Almost surely, 2^{26669166196662} is an apocalyptic number.

26669166196662 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 26669166196662, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31868861401728).

26669166196662 is an abundant number, since it is smaller than the sum of its proper divisors (37068556606794).

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

26669166196662 is a wasteful number, since it uses less digits than its factorization.

26669166196662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1621346 (or 1621343 counting only the distinct ones).

The product of its digits is 544195584, while the sum is 72.

The spelling of 26669166196662 in words is "twenty-six trillion, six hundred sixty-nine billion, one hundred sixty-six million, one hundred ninety-six thousand, six hundred sixty-two".