166375000000001 has 32 divisors (see below), whose sum is σ = 186655772835840. Its totient is φ = 147254500800000.

The previous prime is 166374999999917. The next prime is 166375000000019. The reversal of 166375000000001 is 100000000573661.

It is a Cunningham number, because it is equal to 55000³+1.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-166375000000001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (166375000000061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2415994496 + ... + 2416063358.

It is an arithmetic number, because the mean of its divisors is an integer number (5832992901120).

Almost surely, 2^{166375000000001} is an apocalyptic number.

It is an amenable number.

166375000000001 is a deficient number, since it is larger than the sum of its proper divisors (20280772835839).

166375000000001 is a wasteful number, since it uses less digits than its factorization.

166375000000001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124017.

The product of its (nonzero) digits is 3780, while the sum is 29.

Adding to 166375000000001 its reverse (100000000573661), we get a palindrome (266375000573662).

The spelling of 166375000000001 in words is "one hundred sixty-six trillion, three hundred seventy-five billion, one", and thus it is an aban number.