1641002204 has 12 divisors (see below), whose sum is σ = 2941796928. Its totient is φ = 800488800.

The previous prime is 1641002191. The next prime is 1641002261. The reversal of 1641002204 is 4022001461.

It is a congruent number.

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, 5002892 + ... + 5003219.

It is an arithmetic number, because the mean of its divisors is an integer number (245149744).

Almost surely, 2^1641002204 is an apocalyptic number.

It is an amenable number.

1641002204 is a deficient number, since it is larger than the sum of its proper divisors (1300794724).

1641002204 is a wasteful number, since it uses less digits than its factorization.

1641002204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10006156 (or 10006154 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1641002204 is about 40509.2854047069. The cubic root of 1641002204 is about 1179.5138771326.

Adding to 1641002204 its reverse (4022001461), we get a palindrome (5663003665).

The spelling of 1641002204 in words is "one billion, six hundred forty-one million, two thousand, two hundred four".