42564574167 has 8 divisors (see below), whose sum is σ = 57133657200. Its totient is φ = 28185936960.

The previous prime is 42564574153. The next prime is 42564574183. The reversal of 42564574167 is 76147546524.

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

It is not a de Polignac number, because 42564574167 - 2¹⁶ = 42564508631 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42564574067) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47610934 + ... + 47611827.

It is an arithmetic number, because the mean of its divisors is an integer number (7141707150).

Almost surely, 2^42564574167 is an apocalyptic number.

42564574167 is a deficient number, since it is larger than the sum of its proper divisors (14569083033).

42564574167 is a wasteful number, since it uses less digits than its factorization.

42564574167 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95222913.

The product of its digits is 5644800, while the sum is 51.

It can be divided in two parts, 4256457 and 4167, that added together give a palindrome (4260624).

The spelling of 42564574167 in words is "forty-two billion, five hundred sixty-four million, five hundred seventy-four thousand, one hundred sixty-seven".