166155141 has 8 divisors (see below), whose sum is σ = 222951904. Its totient is φ = 110064240.

The previous prime is 166155137. The next prime is 166155149. The reversal of 166155141 is 141551661.

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

It is not a de Polignac number, because 166155141 - 2² = 166155137 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 166155099 and 166155108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166155149) 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, 175915 + ... + 176856.

It is an arithmetic number, because the mean of its divisors is an integer number (27868988).

Almost surely, 2^166155141 is an apocalyptic number.

It is an amenable number.

166155141 is a deficient number, since it is larger than the sum of its proper divisors (56796763).

166155141 is a wasteful number, since it uses less digits than its factorization.

166155141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352931.

The product of its digits is 3600, while the sum is 30.

The square root of 166155141 is about 12890.1179591189. The cubic root of 166155141 is about 549.7576243343.

The spelling of 166155141 in words is "one hundred sixty-six million, one hundred fifty-five thousand, one hundred forty-one".