803664146 has 8 divisors (see below), whose sum is σ = 1210499004. Its totient is φ = 400164480.

The previous prime is 803664143. The next prime is 803664151. The reversal of 803664146 is 641466308.

It can be written as a sum of positive squares in 2 ways, for example, as 741963121 + 61701025 = 27239^2 + 7855^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (803664143) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 833195 + ... + 834158.

Almost surely, 2^803664146 is an apocalyptic number.

803664146 is a deficient number, since it is larger than the sum of its proper divisors (406834858).

803664146 is a wasteful number, since it uses less digits than its factorization.

803664146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1667596.

The product of its (nonzero) digits is 82944, while the sum is 38.

The square root of 803664146 is about 28348.9708102428. The cubic root of 803664146 is about 929.7328966619.

The spelling of 803664146 in words is "eight hundred three million, six hundred sixty-four thousand, one hundred forty-six".