166704123651996 has 96 divisors (see below), whose sum is σ = 446630462208000. Its totient is φ = 47406355533504.

The previous prime is 166704123651893. The next prime is 166704123652009. The reversal of 166704123651996 is 699156321407661.

It is a super-2 number, since 2×166704123651996² (a number of 29 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 31 ways as a sum of consecutive naturals, for example, 65469631 + ... + 67968233.

It is an arithmetic number, because the mean of its divisors is an integer number (4652400648000).

Almost surely, 2^{166704123651996} is an apocalyptic number.

It is an amenable number.

166704123651996 is an abundant number, since it is smaller than the sum of its proper divisors (279926338556004).

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

166704123651996 is a wasteful number, since it uses less digits than its factorization.

166704123651996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2502343 (or 2502341 counting only the distinct ones).

The product of its (nonzero) digits is 88179840, while the sum is 66.

The spelling of 166704123651996 in words is "one hundred sixty-six trillion, seven hundred four billion, one hundred twenty-three million, six hundred fifty-one thousand, nine hundred ninety-six".