1604561068 has 24 divisors (see below), whose sum is σ = 3168884880. Its totient is φ = 704195520.

The previous prime is 1604561051. The next prime is 1604561087. The reversal of 1604561068 is 8601654061.

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, 627471 + ... + 630022.

It is an arithmetic number, because the mean of its divisors is an integer number (132036870).

Almost surely, 2^1604561068 is an apocalyptic number.

It is an amenable number.

1604561068 is a deficient number, since it is larger than the sum of its proper divisors (1564323812).

1604561068 is a wasteful number, since it uses less digits than its factorization.

1604561068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1257537 (or 1257535 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 1604561068 is about 40056.9727762845. The cubic root of 1604561068 is about 1170.7174278677.

The spelling of 1604561068 in words is "one billion, six hundred four million, five hundred sixty-one thousand, sixty-eight".