42572437166 has 64 divisors (see below), whose sum is σ = 76135127040. Its totient is φ = 17474400000.

The previous prime is 42572437163. The next prime is 42572437177. The reversal of 42572437166 is 66173427524.

It is a super-3 number, since 3×42572437166³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 42572437166.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42572437163) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26294705 + ... + 26296323.

It is an arithmetic number, because the mean of its divisors is an integer number (1189611360).

Almost surely, 2^42572437166 is an apocalyptic number.

42572437166 is a deficient number, since it is larger than the sum of its proper divisors (33562689874).

42572437166 is a wasteful number, since it uses less digits than its factorization.

42572437166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2481.

The product of its digits is 1693440, while the sum is 47.

The spelling of 42572437166 in words is "forty-two billion, five hundred seventy-two million, four hundred thirty-seven thousand, one hundred sixty-six".