42326555166 has 48 divisors (see below), whose sum is σ = 104858234208. Its totient is φ = 12087576000.

The previous prime is 42326555129. The next prime is 42326555177. The reversal of 42326555166 is 66155562324.

42326555166 is a `hidden beast` number, since 4 + 2 + 32 + 6 + 5 + 551 + 66 = 666.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 191316 + ... + 348216.

It is an arithmetic number, because the mean of its divisors is an integer number (2184546546).

Almost surely, 2^42326555166 is an apocalyptic number.

42326555166 is an abundant number, since it is smaller than the sum of its proper divisors (62531679042).

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

42326555166 is a wasteful number, since it uses less digits than its factorization.

42326555166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159057 (or 159054 counting only the distinct ones).

The product of its digits is 1296000, while the sum is 45.

The spelling of 42326555166 in words is "forty-two billion, three hundred twenty-six million, five hundred fifty-five thousand, one hundred sixty-six".