42166454466 has 16 divisors (see below), whose sum is σ = 84504672288. Its totient is φ = 14026857600.

The previous prime is 42166454419. The next prime is 42166454467. The reversal of 42166454466 is 66445466124.

It is not an unprimeable number, because it can be changed into a prime (42166454467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7153615 + ... + 7159506.

It is an arithmetic number, because the mean of its divisors is an integer number (5281542018).

Almost surely, 2^42166454466 is an apocalyptic number.

42166454466 is an abundant number, since it is smaller than the sum of its proper divisors (42338217822).

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

42166454466 is a wasteful number, since it uses less digits than its factorization.

42166454466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14313617.

The product of its digits is 3317760, while the sum is 48.

The spelling of 42166454466 in words is "forty-two billion, one hundred sixty-six million, four hundred fifty-four thousand, four hundred sixty-six".