1673656063 has 2 divisors, whose sum is σ = 1673656064. Its totient is φ = 1673656062.

The previous prime is 1673656043. The next prime is 1673656081. The reversal of 1673656063 is 3606563761.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1673656063 - 2¹⁷ = 1673524991 is a prime.

It is a super-2 number, since 2×1673656063² = 5602249234433319938, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1673656003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 836828031 + 836828032.

It is an arithmetic number, because the mean of its divisors is an integer number (836828032).

Almost surely, 2^1673656063 is an apocalyptic number.

1673656063 is a deficient number, since it is larger than the sum of its proper divisors (1).

1673656063 is an equidigital number, since it uses as much as digits as its factorization.

1673656063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 408240, while the sum is 43.

The square root of 1673656063 is about 40910.3417609777. The cubic root of 1673656063 is about 1187.2861592121.

The spelling of 1673656063 in words is "one billion, six hundred seventy-three million, six hundred fifty-six thousand, sixty-three".