1675664 has 10 divisors (see below), whose sum is σ = 3246630. Its totient is φ = 837824.

The previous prime is 1675637. The next prime is 1675679. The reversal of 1675664 is 4665761.

It can be written as a sum of positive squares in only one way, i.e., 1669264 + 6400 = 1292^2 + 80^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52349 + ... + 52380.

It is an arithmetic number, because the mean of its divisors is an integer number (324663).

2^1675664 is an apocalyptic number.

It is an amenable number.

1675664 is a deficient number, since it is larger than the sum of its proper divisors (1570966).

1675664 is a wasteful number, since it uses less digits than its factorization.

1675664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104737 (or 104731 counting only the distinct ones).

The product of its digits is 30240, while the sum is 35.

The square root of 1675664 is about 1294.4744107166. The cubic root of 1675664 is about 118.7760777447.

The spelling of 1675664 in words is "one million, six hundred seventy-five thousand, six hundred sixty-four".