1676663 has 2 divisors, whose sum is σ = 1676664. Its totient is φ = 1676662.

The previous prime is 1676651. The next prime is 1676687. The reversal of 1676663 is 3666761.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1676663 - 2⁶ = 1676599 is a prime.

It is a super-2 number, since 2×1676663² = 5622397631138, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1676963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 838331 + 838332.

It is an arithmetic number, because the mean of its divisors is an integer number (838332).

2^1676663 is an apocalyptic number.

1676663 is a deficient number, since it is larger than the sum of its proper divisors (1).

1676663 is an equidigital number, since it uses as much as digits as its factorization.

1676663 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27216, while the sum is 35.

The square root of 1676663 is about 1294.8602241169. The cubic root of 1676663 is about 118.7996770918.

The spelling of 1676663 in words is "one million, six hundred seventy-six thousand, six hundred sixty-three".