667216233846 has 12 divisors (see below), whose sum is σ = 1445635173372. Its totient is φ = 222405411276.

The previous prime is 667216233841. The next prime is 667216233847. The reversal of 667216233846 is 648332612766.

667216233846 is a `hidden beast` number, since 6 + 6 + 7 + 2 + 1 + 623 + 3 + 8 + 4 + 6 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 667216233792 and 667216233801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (667216233841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18533784256 + ... + 18533784291.

It is an arithmetic number, because the mean of its divisors is an integer number (120469597781).

Almost surely, 2^667216233846 is an apocalyptic number.

667216233846 is an abundant number, since it is smaller than the sum of its proper divisors (778418939526).

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

667216233846 is a wasteful number, since it uses less digits than its factorization.

667216233846 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37067568555 (or 37067568552 counting only the distinct ones).

The product of its digits is 10450944, while the sum is 54.

The spelling of 667216233846 in words is "six hundred sixty-seven billion, two hundred sixteen million, two hundred thirty-three thousand, eight hundred forty-six".