1604552116 has 12 divisors (see below), whose sum is σ = 2808670788. Its totient is φ = 802074752.

The previous prime is 1604552087. The next prime is 1604552161. The reversal of 1604552116 is 6112554061.

It can be written as a sum of positive squares in 2 ways, for example, as 332916516 + 1271635600 = 18246^2 + 35660^2 .

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 31621 + ... + 64876.

It is an arithmetic number, because the mean of its divisors is an integer number (234055899).

Almost surely, 2^1604552116 is an apocalyptic number.

It is an amenable number.

1604552116 is a deficient number, since it is larger than the sum of its proper divisors (1204118672).

1604552116 is a wasteful number, since it uses less digits than its factorization.

1604552116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100658 (or 100656 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 31.

The square root of 1604552116 is about 40056.8610352833. The cubic root of 1604552116 is about 1170.7152506820.

The spelling of 1604552116 in words is "one billion, six hundred four million, five hundred fifty-two thousand, one hundred sixteen".