266168064 has 144 divisors (see below), whose sum is σ = 741726720. Its totient is φ = 84664320.

The previous prime is 266168059. The next prime is 266168083. The reversal of 266168064 is 460861662.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2487499 + ... + 2487605.

It is an arithmetic number, because the mean of its divisors is an integer number (5150880).

Almost surely, 2^266168064 is an apocalyptic number.

266168064 is a gapful number since it is divisible by the number (24) 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 266168064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (370863360).

266168064 is an abundant number, since it is smaller than the sum of its proper divisors (475558656).

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

266168064 is a wasteful number, since it uses less digits than its factorization.

266168064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246 (or 232 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 39.

The square root of 266168064 is about 16314.6579492185. The cubic root of 266168064 is about 643.2581764660.

The spelling of 266168064 in words is "two hundred sixty-six million, one hundred sixty-eight thousand, sixty-four".