166996310678 has 8 divisors (see below), whose sum is σ = 250565377968. Its totient is φ = 83474518024.

The previous prime is 166996310651. The next prime is 166996310687. The reversal of 166996310678 is 876013699661.

166996310678 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 166996310678.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11809826 + ... + 11823957.

It is an arithmetic number, because the mean of its divisors is an integer number (31320672246).

Almost surely, 2^166996310678 is an apocalyptic number.

166996310678 is a deficient number, since it is larger than the sum of its proper divisors (83569067290).

166996310678 is a wasteful number, since it uses less digits than its factorization.

166996310678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23637318.

The product of its (nonzero) digits is 17635968, while the sum is 62.

The spelling of 166996310678 in words is "one hundred sixty-six billion, nine hundred ninety-six million, three hundred ten thousand, six hundred seventy-eight".