266622930 has 96 divisors (see below), whose sum is σ = 800601984. Its totient is φ = 60300288.

The previous prime is 266622901. The next prime is 266622973. The reversal of 266622930 is 39226662.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 58929 + ... + 63291.

It is an arithmetic number, because the mean of its divisors is an integer number (8339604).

Almost surely, 2^266622930 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 266622930, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (400300992).

266622930 is an abundant number, since it is smaller than the sum of its proper divisors (533979054).

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

266622930 is a wasteful number, since it uses less digits than its factorization.

266622930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4480 (or 4477 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 36.

The square root of 266622930 is about 16328.5924071856. The cubic root of 266622930 is about 643.6243984069.

It can be divided in two parts, 26662 and 2930, that added together give a palindrome (29592).

The spelling of 266622930 in words is "two hundred sixty-six million, six hundred twenty-two thousand, nine hundred thirty".