1167660047 has 2 divisors, whose sum is σ = 1167660048. Its totient is φ = 1167660046.

The previous prime is 1167660017. The next prime is 1167660061. The reversal of 1167660047 is 7400667611.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1167660047 - 2¹⁶ = 1167594511 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1167660017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 583830023 + 583830024.

It is an arithmetic number, because the mean of its divisors is an integer number (583830024).

Almost surely, 2^1167660047 is an apocalyptic number.

1167660047 is a deficient number, since it is larger than the sum of its proper divisors (1).

1167660047 is an equidigital number, since it uses as much as digits as its factorization.

1167660047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 42336, while the sum is 38.

The square root of 1167660047 is about 34171.0410581826. The cubic root of 1167660047 is about 1053.0253028182.

The spelling of 1167660047 in words is "one billion, one hundred sixty-seven million, six hundred sixty thousand, forty-seven".