4642060666 has 4 divisors (see below), whose sum is σ = 6963091002. Its totient is φ = 2321030332.

The previous prime is 4642060651. The next prime is 4642060667. The reversal of 4642060666 is 6660602464.

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., 3321101641 + 1320959025 = 57629^2 + 36345^2 .

It is not an unprimeable number, because it can be changed into a prime (4642060667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1160515165 + ... + 1160515168.

Almost surely, 2^4642060666 is an apocalyptic number.

4642060666 is a deficient number, since it is larger than the sum of its proper divisors (2321030336).

4642060666 is a wasteful number, since it uses less digits than its factorization.

4642060666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2321030335.

The product of its (nonzero) digits is 248832, while the sum is 40.

The square root of 4642060666 is about 68132.6695939620. The cubic root of 4642060666 is about 1668.1570578743.

The spelling of 4642060666 in words is "four billion, six hundred forty-two million, sixty thousand, six hundred sixty-six".