1601304566 has 16 divisors (see below), whose sum is σ = 2495874048. Its totient is φ = 769689000.

The previous prime is 1601304559. The next prime is 1601304589. The reversal of 1601304566 is 6654031061.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76160 + ... + 94883.

It is an arithmetic number, because the mean of its divisors is an integer number (155992128).

Almost surely, 2^1601304566 is an apocalyptic number.

1601304566 is a deficient number, since it is larger than the sum of its proper divisors (894569482).

1601304566 is a wasteful number, since it uses less digits than its factorization.

1601304566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171227.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 1601304566 is about 40016.3037523457. The cubic root of 1601304566 is about 1169.9248901061.

The spelling of 1601304566 in words is "one billion, six hundred one million, three hundred four thousand, five hundred sixty-six".