315126666 has 64 divisors (see below), whose sum is σ = 744681600. Its totient is φ = 98496000.

The previous prime is 315126629. The next prime is 315126667. The reversal of 315126666 is 666621513.

It is a self number, because there is not a number n which added to its sum of digits gives 315126666.

It is not an unprimeable number, because it can be changed into a prime (315126667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 102106 + ... + 105146.

It is an arithmetic number, because the mean of its divisors is an integer number (11635650).

Almost surely, 2^315126666 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 315126666, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (372340800).

315126666 is an abundant number, since it is smaller than the sum of its proper divisors (429554934).

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

315126666 is a wasteful number, since it uses less digits than its factorization.

315126666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3172 (or 3166 counting only the distinct ones).

The product of its digits is 38880, while the sum is 36.

The square root of 315126666 is about 17751.8074009381. The cubic root of 315126666 is about 680.5004001284.

The spelling of 315126666 in words is "three hundred fifteen million, one hundred twenty-six thousand, six hundred sixty-six".