1668586002 has 16 divisors (see below), whose sum is σ = 3337597632. Its totient is φ = 556124400.

The previous prime is 1668586001. The next prime is 1668586013. The reversal of 1668586002 is 2006858661.

It is not an unprimeable number, because it can be changed into a prime (1668586001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58323 + ... + 82089.

It is an arithmetic number, because the mean of its divisors is an integer number (208599852).

Almost surely, 2^1668586002 is an apocalyptic number.

1668586002 is an abundant number, since it is smaller than the sum of its proper divisors (1669011630).

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

1668586002 is a wasteful number, since it uses less digits than its factorization.

1668586002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35473.

The product of its (nonzero) digits is 138240, while the sum is 42.

The square root of 1668586002 is about 40848.3292436790. The cubic root of 1668586002 is about 1186.0860516341.

The spelling of 1668586002 in words is "one billion, six hundred sixty-eight million, five hundred eighty-six thousand, two".