42436166605 has 8 divisors (see below), whose sum is σ = 58198171392. Its totient is φ = 29099085648.

The previous prime is 42436166587. The next prime is 42436166609. The reversal of 42436166605 is 50666163424.

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

It is a cyclic number.

It is not a de Polignac number, because 42436166605 - 2¹⁵ = 42436133837 is a prime.

It is a super-2 number, since 2×42436166605² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42436166609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 606230917 + ... + 606230986.

It is an arithmetic number, because the mean of its divisors is an integer number (7274771424).

Almost surely, 2^42436166605 is an apocalyptic number.

It is an amenable number.

42436166605 is a deficient number, since it is larger than the sum of its proper divisors (15762004787).

42436166605 is a wasteful number, since it uses less digits than its factorization.

42436166605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1212461915.

The product of its (nonzero) digits is 622080, while the sum is 43.

The spelling of 42436166605 in words is "forty-two billion, four hundred thirty-six million, one hundred sixty-six thousand, six hundred five".