101156166 has 12 divisors (see below), whose sum is σ = 219171732. Its totient is φ = 33718716.

The previous prime is 101156129. The next prime is 101156177. The reversal of 101156166 is 661651101.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2809876 + ... + 2809911.

It is an arithmetic number, because the mean of its divisors is an integer number (18264311).

Almost surely, 2^101156166 is an apocalyptic number.

101156166 is an abundant number, since it is smaller than the sum of its proper divisors (118015566).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

101156166 is a wasteful number, since it uses less digits than its factorization.

101156166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5619795 (or 5619792 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 27.

The square root of 101156166 is about 10057.6421690175. The cubic root of 101156166 is about 465.9408491420.

The spelling of 101156166 in words is "one hundred one million, one hundred fifty-six thousand, one hundred sixty-six".