42166052330 has 8 divisors (see below), whose sum is σ = 75898894212. Its totient is φ = 16866420928.

The previous prime is 42166052317. The next prime is 42166052339. The reversal of 42166052330 is 3325066124.

It can be written as a sum of positive squares in 2 ways, for example, as 39477318721 + 2688733609 = 198689^2 + 51853^2 .

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

It is not an unprimeable number, because it can be changed into a prime (42166052339) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 2108302607 + ... + 2108302626.

Almost surely, 2^42166052330 is an apocalyptic number.

42166052330 is a deficient number, since it is larger than the sum of its proper divisors (33732841882).

42166052330 is a wasteful number, since it uses less digits than its factorization.

42166052330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4216605240.

The product of its (nonzero) digits is 25920, while the sum is 32.

The spelling of 42166052330 in words is "forty-two billion, one hundred sixty-six million, fifty-two thousand, three hundred thirty".