66005042 has 8 divisors (see below), whose sum is σ = 99062832. Its totient is φ = 32984100.

The previous prime is 66005029. The next prime is 66005081. The reversal of 66005042 is 24050066.

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

It is a junction number, because it is equal to n+sod(n) for n = 66004999 and 66005017.

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, 4184 + ... + 12227.

It is an arithmetic number, because the mean of its divisors is an integer number (12382854).

Almost surely, 2^66005042 is an apocalyptic number.

66005042 is a deficient number, since it is larger than the sum of its proper divisors (33057790).

66005042 is a wasteful number, since it uses less digits than its factorization.

66005042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18424.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 66005042 is about 8124.3487123584. The cubic root of 66005042 is about 404.1342926750.

The spelling of 66005042 in words is "sixty-six million, five thousand, forty-two".