1161867433 has 2 divisors, whose sum is σ = 1161867434. Its totient is φ = 1161867432.

The previous prime is 1161867419. The next prime is 1161867463. The reversal of 1161867433 is 3347681611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 781929369 + 379938064 = 27963^2 + 19492^2 .

It is a cyclic number.

It is not a de Polignac number, because 1161867433 - 2²⁹ = 624996521 is a prime.

It is not a weakly prime, because it can be changed into another prime (1161867403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 580933716 + 580933717.

It is an arithmetic number, because the mean of its divisors is an integer number (580933717).

Almost surely, 2^1161867433 is an apocalyptic number.

It is an amenable number.

1161867433 is a deficient number, since it is larger than the sum of its proper divisors (1).

1161867433 is an equidigital number, since it uses as much as digits as its factorization.

1161867433 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72576, while the sum is 40.

The square root of 1161867433 is about 34086.1765676352. The cubic root of 1161867433 is about 1051.2811068806.

The spelling of 1161867433 in words is "one billion, one hundred sixty-one million, eight hundred sixty-seven thousand, four hundred thirty-three".