1630656127 has 2 divisors, whose sum is σ = 1630656128. Its totient is φ = 1630656126.

The previous prime is 1630656091. The next prime is 1630656151. The reversal of 1630656127 is 7216560361.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1630656127 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1630656227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 815328063 + 815328064.

It is an arithmetic number, because the mean of its divisors is an integer number (815328064).

Almost surely, 2^1630656127 is an apocalyptic number.

1630656127 is a deficient number, since it is larger than the sum of its proper divisors (1).

1630656127 is an equidigital number, since it uses as much as digits as its factorization.

1630656127 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 45360, while the sum is 37.

The square root of 1630656127 is about 40381.3834210766. The cubic root of 1630656127 is about 1177.0298102141.

The spelling of 1630656127 in words is "one billion, six hundred thirty million, six hundred fifty-six thousand, one hundred twenty-seven".