212644362336606 has 32 divisors (see below), whose sum is σ = 472546374158880. Its totient is φ = 70880952100608.

The previous prime is 212644362336487. The next prime is 212644362336631. The reversal of 212644362336606 is 606633263446212.

212644362336606 is a `hidden beast` number, since 2 + 1 + 2 + 6 + 4 + 4 + 3 + 6 + 23 + 3 + 6 + 606 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6210291 + ... + 21537326.

It is an arithmetic number, because the mean of its divisors is an integer number (14767074192465).

Almost surely, 2^{212644362336606} is an apocalyptic number.

212644362336606 is an abundant number, since it is smaller than the sum of its proper divisors (259902011822274).

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

212644362336606 is a wasteful number, since it uses less digits than its factorization.

212644362336606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27889545 (or 27889539 counting only the distinct ones).

The product of its (nonzero) digits is 26873856, while the sum is 54.

The spelling of 212644362336606 in words is "two hundred twelve trillion, six hundred forty-four billion, three hundred sixty-two million, three hundred thirty-six thousand, six hundred six".