166870200337 has 4 divisors (see below), whose sum is σ = 175652842480. Its totient is φ = 158087558196.

The previous prime is 166870200317. The next prime is 166870200347. The reversal of 166870200337 is 733002078661.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-166870200337 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 166870200293 and 166870200302.

It is not an unprimeable number, because it can be changed into a prime (166870200317) 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, 4391321043 + ... + 4391321080.

It is an arithmetic number, because the mean of its divisors is an integer number (43913210620).

Almost surely, 2^166870200337 is an apocalyptic number.

It is an amenable number.

166870200337 is a deficient number, since it is larger than the sum of its proper divisors (8782642143).

166870200337 is an equidigital number, since it uses as much as digits as its factorization.

166870200337 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8782642142.

The product of its (nonzero) digits is 254016, while the sum is 43.

Adding to 166870200337 its reverse (733002078661), we get a palindrome (899872278998).

The spelling of 166870200337 in words is "one hundred sixty-six billion, eight hundred seventy million, two hundred thousand, three hundred thirty-seven".