166842675001 has 4 divisors (see below), whose sum is σ = 169192571904. Its totient is φ = 164492778100.

The previous prime is 166842674989. The next prime is 166842675047. The reversal of 166842675001 is 100576248661.

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 not a de Polignac number, because 166842675001 - 2²³ = 166834286393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (166842675061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1174948345 + ... + 1174948486.

It is an arithmetic number, because the mean of its divisors is an integer number (42298142976).

Almost surely, 2^166842675001 is an apocalyptic number.

It is an amenable number.

166842675001 is a deficient number, since it is larger than the sum of its proper divisors (2349896903).

166842675001 is an equidigital number, since it uses as much as digits as its factorization.

166842675001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2349896902.

The product of its (nonzero) digits is 483840, while the sum is 46.

The spelling of 166842675001 in words is "one hundred sixty-six billion, eight hundred forty-two million, six hundred seventy-five thousand, one".