166684005950448 has 120 divisors (see below), whose sum is σ = 500912733439440. Its totient is φ = 47623023651840.

The previous prime is 166684005950359. The next prime is 166684005950453. The reversal of 166684005950448 is 844059500486661.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 117934738 + ... + 119339726.

It is an arithmetic number, because the mean of its divisors is an integer number (4174272778662).

Almost surely, 2^{166684005950448} is an apocalyptic number.

It is an amenable number.

166684005950448 is an abundant number, since it is smaller than the sum of its proper divisors (334228727488992).

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

166684005950448 is a wasteful number, since it uses less digits than its factorization.

166684005950448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1455455 (or 1455442 counting only the distinct ones).

The product of its (nonzero) digits is 199065600, while the sum is 66.

The spelling of 166684005950448 in words is "one hundred sixty-six trillion, six hundred eighty-four billion, five million, nine hundred fifty thousand, four hundred forty-eight".