266050680 has 256 divisors, whose sum is σ = 998645760. Its totient is φ = 55296000.

The previous prime is 266050657. The next prime is 266050699. The reversal of 266050680 is 86050662.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 442380 + ... + 442980.

It is an arithmetic number, because the mean of its divisors is an integer number (3900960).

Almost surely, 2^266050680 is an apocalyptic number.

266050680 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 266050680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (499322880).

266050680 is an abundant number, since it is smaller than the sum of its proper divisors (732595080).

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

266050680 is a wasteful number, since it uses less digits than its factorization.

266050680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 670 (or 666 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 266050680 is about 16311.0600513884. The cubic root of 266050680 is about 643.1636004809.

The spelling of 266050680 in words is "two hundred sixty-six million, fifty thousand, six hundred eighty".