212163680179 has 8 divisors (see below), whose sum is σ = 231488107200. Its totient is φ = 192845389800.

The previous prime is 212163680167. The next prime is 212163680219. The reversal of 212163680179 is 971086361212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 212163680179 - 2²¹ = 212161583027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212163680149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1461717 + ... + 1600294.

It is an arithmetic number, because the mean of its divisors is an integer number (28936013400).

Almost surely, 2^212163680179 is an apocalyptic number.

212163680179 is a deficient number, since it is larger than the sum of its proper divisors (19324427021).

212163680179 is a wasteful number, since it uses less digits than its factorization.

212163680179 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3068321.

The product of its (nonzero) digits is 217728, while the sum is 46.

The spelling of 212163680179 in words is "two hundred twelve billion, one hundred sixty-three million, six hundred eighty thousand, one hundred seventy-nine".