632046338455661 has 2 divisors, whose sum is σ = 632046338455662. Its totient is φ = 632046338455660.

The previous prime is 632046338455613. The next prime is 632046338455673. The reversal of 632046338455661 is 166554833640236.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 612067896880036 + 19978441575625 = 24740006^2 + 4469725^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-632046338455661 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 632046338455594 and 632046338455603.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (632046338457661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 316023169227830 + 316023169227831.

It is an arithmetic number, because the mean of its divisors is an integer number (316023169227831).

Almost surely, 2^{632046338455661} is an apocalyptic number.

It is an amenable number.

632046338455661 is a deficient number, since it is larger than the sum of its proper divisors (1).

632046338455661 is an equidigital number, since it uses as much as digits as its factorization.

632046338455661 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 223948800, while the sum is 62.

The spelling of 632046338455661 in words is "six hundred thirty-two trillion, forty-six billion, three hundred thirty-eight million, four hundred fifty-five thousand, six hundred sixty-one".