166383534197 has 8 divisors (see below), whose sum is σ = 167137970016. Its totient is φ = 165629287152.

The previous prime is 166383534193. The next prime is 166383534203. The reversal of 166383534197 is 791435383661.

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

It is a cyclic number.

It is not a de Polignac number, because 166383534197 - 2² = 166383534193 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166383534193) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1901003 + ... + 1986599.

It is an arithmetic number, because the mean of its divisors is an integer number (20892246252).

Almost surely, 2^166383534197 is an apocalyptic number.

It is an amenable number.

166383534197 is a deficient number, since it is larger than the sum of its proper divisors (754435819).

166383534197 is an equidigital number, since it uses as much as digits as its factorization.

166383534197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94387.

The product of its digits is 9797760, while the sum is 56.

The spelling of 166383534197 in words is "one hundred sixty-six billion, three hundred eighty-three million, five hundred thirty-four thousand, one hundred ninety-seven".