1664804348 has 24 divisors (see below), whose sum is σ = 2938195344. Its totient is φ = 825350400.

The previous prime is 1664804299. The next prime is 1664804399. The reversal of 1664804348 is 8434084661.

It is a junction number, because it is equal to n+sod(n) for n = 1664804299 and 1664804308.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 230228 + ... + 237348.

It is an arithmetic number, because the mean of its divisors is an integer number (122424806).

Almost surely, 2^1664804348 is an apocalyptic number.

It is an amenable number.

1664804348 is a deficient number, since it is larger than the sum of its proper divisors (1273390996).

1664804348 is a wasteful number, since it uses less digits than its factorization.

1664804348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7613 (or 7611 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 44.

The square root of 1664804348 is about 40802.0140189182. The cubic root of 1664804348 is about 1185.1893323264.

The spelling of 1664804348 in words is "one billion, six hundred sixty-four million, eight hundred four thousand, three hundred forty-eight".