42366168 has 48 divisors (see below), whose sum is σ = 123570720. Its totient is φ = 13035456.

The previous prime is 42366139. The next prime is 42366169. The reversal of 42366168 is 86166324.

42366168 is a `hidden beast` number, since 4 + 2 + 36 + 616 + 8 = 666.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42366169) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21696 + ... + 23567.

It is an arithmetic number, because the mean of its divisors is an integer number (2574390).

Almost surely, 2^42366168 is an apocalyptic number.

It is an amenable number.

42366168 is an abundant number, since it is smaller than the sum of its proper divisors (81204552).

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

42366168 is a wasteful number, since it uses less digits than its factorization.

42366168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45288 (or 45281 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The square root of 42366168 is about 6508.9298659611. The cubic root of 42366168 is about 348.6099094334.

It can be divided in two parts, 4236 and 6168, that added together give a square (10404 = 102²).

The spelling of 42366168 in words is "forty-two million, three hundred sixty-six thousand, one hundred sixty-eight".