1605023368 has 32 divisors (see below), whose sum is σ = 3254411160. Its totient is φ = 737694720.

The previous prime is 1605023341. The next prime is 1605023389. The reversal of 1605023368 is 8633205061.

It can be written as a sum of positive squares in 4 ways, for example, as 813276324 + 791747044 = 28518^2 + 28138^2 .

It is a super-2 number, since 2×1605023368² = 5152200023652126848, which contains 22 as substring.

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, 6955 + ... + 57082.

Almost surely, 2^1605023368 is an apocalyptic number.

It is an amenable number.

1605023368 is an abundant number, since it is smaller than the sum of its proper divisors (1649387792).

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

1605023368 is a wasteful number, since it uses less digits than its factorization.

1605023368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64297 (or 64293 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 1605023368 is about 40062.7428916194. The cubic root of 1605023368 is about 1170.8298512811.

The spelling of 1605023368 in words is "one billion, six hundred five million, twenty-three thousand, three hundred sixty-eight".