1604160216 has 48 divisors (see below), whose sum is σ = 4352736960. Its totient is φ = 533718720.

The previous prime is 1604160209. The next prime is 1604160221. The reversal of 1604160216 is 6120614061.

1604160216 is a `hidden beast` number, since 1 + 6 + 0 + 41 + 602 + 16 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 1604160216.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18361 + ... + 59543.

It is an arithmetic number, because the mean of its divisors is an integer number (90682020).

Almost surely, 2^1604160216 is an apocalyptic number.

It is an amenable number.

1604160216 is an abundant number, since it is smaller than the sum of its proper divisors (2748576744).

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

1604160216 is a wasteful number, since it uses less digits than its factorization.

1604160216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41736 (or 41729 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 1604160216 is about 40051.9689403655. The cubic root of 1604160216 is about 1170.6199300709.

Adding to 1604160216 its reverse (6120614061), we get a palindrome (7724774277).

The spelling of 1604160216 in words is "one billion, six hundred four million, one hundred sixty thousand, two hundred sixteen".