1163651633 has 2 divisors, whose sum is σ = 1163651634. Its totient is φ = 1163651632.

The previous prime is 1163651527. The next prime is 1163651641. The reversal of 1163651633 is 3361563611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1151380624 + 12271009 = 33932^2 + 3503^2 .

It is a cyclic number.

It is not a de Polignac number, because 1163651633 - 2¹⁸ = 1163389489 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1163651593 and 1163651602.

It is not a weakly prime, because it can be changed into another prime (1163651693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 581825816 + 581825817.

It is an arithmetic number, because the mean of its divisors is an integer number (581825817).

Almost surely, 2^1163651633 is an apocalyptic number.

It is an amenable number.

1163651633 is a deficient number, since it is larger than the sum of its proper divisors (1).

1163651633 is an equidigital number, since it uses as much as digits as its factorization.

1163651633 is an evil number, because the sum of its binary digits is even.

The product of its digits is 29160, while the sum is 35.

The square root of 1163651633 is about 34112.3384276130. The cubic root of 1163651633 is about 1051.8189583859.

The spelling of 1163651633 in words is "one billion, one hundred sixty-three million, six hundred fifty-one thousand, six hundred thirty-three".