66060242 has 4 divisors (see below), whose sum is σ = 99090366. Its totient is φ = 33030120.

The previous prime is 66060229. The next prime is 66060257. The reversal of 66060242 is 24206066.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 45711121 + 20349121 = 6761^2 + 4511^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16515059 + ... + 16515062.

Almost surely, 2^66060242 is an apocalyptic number.

66060242 is a deficient number, since it is larger than the sum of its proper divisors (33030124).

66060242 is a wasteful number, since it uses less digits than its factorization.

66060242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33030123.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 66060242 is about 8127.7451977778. The cubic root of 66060242 is about 404.2469204197.

The spelling of 66060242 in words is "sixty-six million, sixty thousand, two hundred forty-two".