1676716663 has 2 divisors, whose sum is σ = 1676716664. Its totient is φ = 1676716662.

The previous prime is 1676716661. The next prime is 1676716669. The reversal of 1676716663 is 3666176761.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1676716663 - 2¹ = 1676716661 is a prime.

It is a super-2 number, since 2×1676716663² = 5622757535963711138, which contains 22 as substring.

Together with 1676716661, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1676716661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 838358331 + 838358332.

It is an arithmetic number, because the mean of its divisors is an integer number (838358332).

Almost surely, 2^1676716663 is an apocalyptic number.

1676716663 is a deficient number, since it is larger than the sum of its proper divisors (1).

1676716663 is an equidigital number, since it uses as much as digits as its factorization.

1676716663 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1143072, while the sum is 49.

The square root of 1676716663 is about 40947.7308650919. The cubic root of 1676716663 is about 1188.0094450590.

The spelling of 1676716663 in words is "one billion, six hundred seventy-six million, seven hundred sixteen thousand, six hundred sixty-three".