166371434176 has 28 divisors (see below), whose sum is σ = 339066111808. Its totient is φ = 80937453312.

The previous prime is 166371434171. The next prime is 166371434183. The reversal of 166371434176 is 671434173661.

It is not an unprimeable number, because it can be changed into a prime (166371434171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35126736 + ... + 35131471.

Almost surely, 2^166371434176 is an apocalyptic number.

166371434176 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

166371434176 is an abundant number, since it is smaller than the sum of its proper divisors (172694677632).

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

166371434176 is an equidigital number, since it uses as much as digits as its factorization.

166371434176 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70258256 (or 70258246 counting only the distinct ones).

The product of its digits is 1524096, while the sum is 49.

The spelling of 166371434176 in words is "one hundred sixty-six billion, three hundred seventy-one million, four hundred thirty-four thousand, one hundred seventy-six".