166046631310201 has 16 divisors (see below), whose sum is σ = 170901171692928. Its totient is φ = 161262051350400.

The previous prime is 166046631310127. The next prime is 166046631310207. The reversal of 166046631310201 is 102013136640661.

It is a cyclic number.

It is not a de Polignac number, because 166046631310201 - 2²³ = 166046622921593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (166046631310207) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 357308671 + ... + 357773083.

It is an arithmetic number, because the mean of its divisors is an integer number (10681323230808).

Almost surely, 2^{166046631310201} is an apocalyptic number.

It is an amenable number.

166046631310201 is a deficient number, since it is larger than the sum of its proper divisors (4854540382727).

166046631310201 is an equidigital number, since it uses as much as digits as its factorization.

166046631310201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 539712.

The product of its (nonzero) digits is 93312, while the sum is 40.

Adding to 166046631310201 its reverse (102013136640661), we get a palindrome (268059767950862).

The spelling of 166046631310201 in words is "one hundred sixty-six trillion, forty-six billion, six hundred thirty-one million, three hundred ten thousand, two hundred one".