166825175601 has 8 divisors (see below), whose sum is σ = 254209791424. Its totient is φ = 95328671760.

The previous prime is 166825175579. The next prime is 166825175609. The reversal of 166825175601 is 106571528661.

166825175601 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 166825175601 - 2²⁵ = 166791621169 is a prime.

It is a super-2 number, since 2×166825175601² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (166825175609) 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 7 ways as a sum of consecutive naturals, for example, 3972027970 + ... + 3972028011.

It is an arithmetic number, because the mean of its divisors is an integer number (31776223928).

Almost surely, 2^166825175601 is an apocalyptic number.

It is an amenable number.

166825175601 is a deficient number, since it is larger than the sum of its proper divisors (87384615823).

166825175601 is an equidigital number, since it uses as much as digits as its factorization.

166825175601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7944055991.

The product of its (nonzero) digits is 604800, while the sum is 48.

The spelling of 166825175601 in words is "one hundred sixty-six billion, eight hundred twenty-five million, one hundred seventy-five thousand, six hundred one".