315220636623166 has 32 divisors (see below), whose sum is σ = 505510250588928. Its totient is φ = 146897460213120.

The previous prime is 315220636623163. The next prime is 315220636623199. The reversal of 315220636623166 is 661326636022513.

It is a super-2 number, since 2×315220636623166² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315220636623163) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 397890241 + ... + 398681683.

It is an arithmetic number, because the mean of its divisors is an integer number (15797195330904).

Almost surely, 2^{315220636623166} is an apocalyptic number.

315220636623166 is a deficient number, since it is larger than the sum of its proper divisors (190289613965762).

315220636623166 is a wasteful number, since it uses less digits than its factorization.

315220636623166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 905296.

The product of its (nonzero) digits is 8398080, while the sum is 52.

The spelling of 315220636623166 in words is "three hundred fifteen trillion, two hundred twenty billion, six hundred thirty-six million, six hundred twenty-three thousand, one hundred sixty-six".