66142024 has 16 divisors (see below), whose sum is σ = 133556220. Its totient is φ = 30527040.

The previous prime is 66141991. The next prime is 66142033. The reversal of 66142024 is 42024166.

It can be written as a sum of positive squares in 2 ways, for example, as 65901924 + 240100 = 8118^2 + 490^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 66142024.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 317887 + ... + 318094.

Almost surely, 2^66142024 is an apocalyptic number.

It is an amenable number.

66142024 is an abundant number, since it is smaller than the sum of its proper divisors (67414196).

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

66142024 is a wasteful number, since it uses less digits than its factorization.

66142024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 636000 (or 635996 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 66142024 is about 8132.7746802675. The cubic root of 66142024 is about 404.4136696742.

The spelling of 66142024 in words is "sixty-six million, one hundred forty-two thousand, twenty-four".