1663490174 has 8 divisors (see below), whose sum is σ = 2553264120. Its totient is φ = 812402136.

The previous prime is 1663490167. The next prime is 1663490207. The reversal of 1663490174 is 4710943661.

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

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 in 3 ways as a sum of consecutive naturals, for example, 9671369 + ... + 9671540.

It is an arithmetic number, because the mean of its divisors is an integer number (319158015).

Almost surely, 2^1663490174 is an apocalyptic number.

1663490174 is a deficient number, since it is larger than the sum of its proper divisors (889773946).

1663490174 is a wasteful number, since it uses less digits than its factorization.

1663490174 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19342954.

The product of its (nonzero) digits is 108864, while the sum is 41.

The square root of 1663490174 is about 40785.9065609678. The cubic root of 1663490174 is about 1184.8773927638.

The spelling of 1663490174 in words is "one billion, six hundred sixty-three million, four hundred ninety thousand, one hundred seventy-four".