1604262216 has 32 divisors (see below), whose sum is σ = 4033848960. Its totient is φ = 531661632.

The previous prime is 1604262199. The next prime is 1604262269. The reversal of 1604262216 is 6122624061.

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 in 7 ways as a sum of consecutive naturals, for example, 189040 + ... + 197343.

It is an arithmetic number, because the mean of its divisors is an integer number (126057780).

Almost surely, 2^1604262216 is an apocalyptic number.

It is an amenable number.

1604262216 is an abundant number, since it is smaller than the sum of its proper divisors (2429586744).

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

1604262216 is a wasteful number, since it uses less digits than its factorization.

1604262216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386565 (or 386561 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 1604262216 is about 40053.2422657642. The cubic root of 1604262216 is about 1170.6447407062.

Adding to 1604262216 its reverse (6122624061), we get a palindrome (7726886277).

The spelling of 1604262216 in words is "one billion, six hundred four million, two hundred sixty-two thousand, two hundred sixteen".