166106405164 has 18 divisors (see below), whose sum is σ = 338145182340. Its totient is φ = 71188459272.

The previous prime is 166106405107. The next prime is 166106405183. The reversal of 166106405164 is 461504601661.

166106405164 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 423740634 + ... + 423741025.

Almost surely, 2^166106405164 is an apocalyptic number.

166106405164 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

166106405164 is an abundant number, since it is smaller than the sum of its proper divisors (172038777176).

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

166106405164 is a wasteful number, since it uses less digits than its factorization.

166106405164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 847481677 (or 847481668 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 40.

The spelling of 166106405164 in words is "one hundred sixty-six billion, one hundred six million, four hundred five thousand, one hundred sixty-four".