1606732366 has 4 divisors (see below), whose sum is σ = 2410098552. Its totient is φ = 803366182.

The previous prime is 1606732357. The next prime is 1606732381. The reversal of 1606732366 is 6632376061.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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 as a sum of consecutive naturals, namely, 401683090 + ... + 401683093.

It is an arithmetic number, because the mean of its divisors is an integer number (602524638).

Almost surely, 2^1606732366 is an apocalyptic number.

1606732366 is a deficient number, since it is larger than the sum of its proper divisors (803366186).

1606732366 is an equidigital number, since it uses as much as digits as its factorization.

1606732366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 803366185.

The product of its (nonzero) digits is 163296, while the sum is 40.

The square root of 1606732366 is about 40084.0662358499. The cubic root of 1606732366 is about 1171.2452629077.

The spelling of 1606732366 in words is "one billion, six hundred six million, seven hundred thirty-two thousand, three hundred sixty-six".