166303512204101 has 8 divisors (see below), whose sum is σ = 168447450971520. Its totient is φ = 164160544212288.

The previous prime is 166303512204097. The next prime is 166303512204139. The reversal of 166303512204101 is 101402215303661.

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 166303512204101 - 2² = 166303512204097 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 (166303512207101) 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, 242349071 + ... + 243034316.

It is an arithmetic number, because the mean of its divisors is an integer number (21055931371440).

Almost surely, 2^{166303512204101} is an apocalyptic number.

It is an amenable number.

166303512204101 is a deficient number, since it is larger than the sum of its proper divisors (2143938767419).

166303512204101 is an equidigital number, since it uses as much as digits as its factorization.

166303512204101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485387803.

The product of its (nonzero) digits is 25920, while the sum is 35.

Adding to 166303512204101 its reverse (101402215303661), we get a palindrome (267705727507762).

The spelling of 166303512204101 in words is "one hundred sixty-six trillion, three hundred three billion, five hundred twelve million, two hundred four thousand, one hundred one".