166135655531116 has 24 divisors (see below), whose sum is σ = 295682996805840. Its totient is φ = 81654969273792.

The previous prime is 166135655531093. The next prime is 166135655531147. The reversal of 166135655531116 is 611135556531661.

166135655531116 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×166135655531116³ (a number of 44 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17327071 + ... + 25149526.

It is an arithmetic number, because the mean of its divisors is an integer number (12320124866910).

Almost surely, 2^{166135655531116} is an apocalyptic number.

It is an amenable number.

166135655531116 is a deficient number, since it is larger than the sum of its proper divisors (129547341274724).

166135655531116 is a wasteful number, since it uses less digits than its factorization.

166135655531116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42493233 (or 42493231 counting only the distinct ones).

The product of its digits is 7290000, while the sum is 55.

The spelling of 166135655531116 in words is "one hundred sixty-six trillion, one hundred thirty-five billion, six hundred fifty-five million, five hundred thirty-one thousand, one hundred sixteen".