4164642002 has 4 divisors (see below), whose sum is σ = 6246963006. Its totient is φ = 2082321000.

The previous prime is 4164641989. The next prime is 4164642011. The reversal of 4164642002 is 2002464614.

It is a happy number.

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., 3031713721 + 1132928281 = 55061^2 + 33659^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1041160499 + ... + 1041160502.

Almost surely, 2^4164642002 is an apocalyptic number.

4164642002 is a deficient number, since it is larger than the sum of its proper divisors (2082321004).

4164642002 is a wasteful number, since it uses less digits than its factorization.

4164642002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2082321003.

The product of its (nonzero) digits is 9216, while the sum is 29.

The square root of 4164642002 is about 64534.0375460888. The cubic root of 4164642002 is about 1608.8882931491. Note that the first 3 decimals are identical.

The spelling of 4164642002 in words is "four billion, one hundred sixty-four million, six hundred forty-two thousand, two".