266366730 has 32 divisors (see below), whose sum is σ = 730606464. Its totient is φ = 60883776.

The previous prime is 266366717. The next prime is 266366743. The reversal of 266366730 is 37663662.

It is an interprime number because it is at equal distance from previous prime (266366717) and next prime (266366743).

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, 633997 + ... + 634416.

It is an arithmetic number, because the mean of its divisors is an integer number (22831452).

Almost surely, 2^266366730 is an apocalyptic number.

266366730 is an abundant number, since it is smaller than the sum of its proper divisors (464239734).

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

266366730 is a wasteful number, since it uses less digits than its factorization.

266366730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1268430.

The product of its (nonzero) digits is 163296, while the sum is 39.

The square root of 266366730 is about 16320.7453873896. The cubic root of 266366730 is about 643.4181778143.

The spelling of 266366730 in words is "two hundred sixty-six million, three hundred sixty-six thousand, seven hundred thirty".