42641166 has 8 divisors (see below), whose sum is σ = 85282344. Its totient is φ = 14213720.

The previous prime is 42641153. The next prime is 42641171. The reversal of 42641166 is 66114624.

It is a sphenic number, since it is the product of 3 distinct primes.

42641166 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3553425 + ... + 3553436.

It is an arithmetic number, because the mean of its divisors is an integer number (10660293).

Almost surely, 2^42641166 is an apocalyptic number.

42641166 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

42641166 is a wasteful number, since it uses less digits than its factorization.

42641166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7106866.

The product of its digits is 6912, while the sum is 30.

The square root of 42641166 is about 6530.0203675027. The cubic root of 42641166 is about 349.3625567576.

The spelling of 42641166 in words is "forty-two million, six hundred forty-one thousand, one hundred sixty-six".