212460215166 has 64 divisors (see below), whose sum is σ = 473394493440. Its totient is φ = 70631235360.

The previous prime is 212460215141. The next prime is 212460215197. The reversal of 212460215166 is 661512064212.

212460215166 is a `hidden beast` number, since 2 + 1 + 24 + 602 + 15 + 16 + 6 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 212460215166.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37580796 + ... + 37586448.

It is an arithmetic number, because the mean of its divisors is an integer number (7396788960).

Almost surely, 2^212460215166 is an apocalyptic number.

212460215166 is an abundant number, since it is smaller than the sum of its proper divisors (260934278274).

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

212460215166 is a wasteful number, since it uses less digits than its factorization.

212460215166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7398 (or 7392 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

Adding to 212460215166 its reverse (661512064212), we get a palindrome (873972279378).

The spelling of 212460215166 in words is "two hundred twelve billion, four hundred sixty million, two hundred fifteen thousand, one hundred sixty-six".