212664317176 has 16 divisors (see below), whose sum is σ = 409522503240. Its totient is φ = 103458316320.

The previous prime is 212664317147. The next prime is 212664317191. The reversal of 212664317176 is 671713466212.

It is a super-2 number, since 2×212664317176² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 359229970 + ... + 359230561.

Almost surely, 2^212664317176 is an apocalyptic number.

It is an amenable number.

212664317176 is a deficient number, since it is larger than the sum of its proper divisors (196858186064).

212664317176 is a wasteful number, since it uses less digits than its factorization.

212664317176 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 718460574 (or 718460570 counting only the distinct ones).

The product of its digits is 508032, while the sum is 46.

The spelling of 212664317176 in words is "two hundred twelve billion, six hundred sixty-four million, three hundred seventeen thousand, one hundred seventy-six".