1605132364 has 24 divisors (see below), whose sum is σ = 3080237328. Its totient is φ = 725821440.

The previous prime is 1605132313. The next prime is 1605132413. The reversal of 1605132364 is 4632315061.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86017 + ... + 103000.

It is an arithmetic number, because the mean of its divisors is an integer number (128343222).

Almost surely, 2^1605132364 is an apocalyptic number.

It is an amenable number.

1605132364 is a deficient number, since it is larger than the sum of its proper divisors (1475104964).

1605132364 is a wasteful number, since it uses less digits than its factorization.

1605132364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189225 (or 189223 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 1605132364 is about 40064.1031847713. The cubic root of 1605132364 is about 1170.8563540898.

The spelling of 1605132364 in words is "one billion, six hundred five million, one hundred thirty-two thousand, three hundred sixty-four".