166334111994 has 8 divisors (see below), whose sum is σ = 332668224000. Its totient is φ = 55444703996.

The previous prime is 166334111969. The next prime is 166334112019. The reversal of 166334111994 is 499111433661.

It is an interprime number because it is at equal distance from previous prime (166334111969) and next prime (166334112019).

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

166334111994 is an admirable number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13861175994 + ... + 13861176005.

It is an arithmetic number, because the mean of its divisors is an integer number (41583528000).

Almost surely, 2^166334111994 is an apocalyptic number.

166334111994 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

166334111994 is a wasteful number, since it uses less digits than its factorization.

166334111994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27722352004.

The product of its digits is 419904, while the sum is 48.

The spelling of 166334111994 in words is "one hundred sixty-six billion, three hundred thirty-four million, one hundred eleven thousand, nine hundred ninety-four".