1166842047 has 12 divisors (see below), whose sum is σ = 1809796056. Its totient is φ = 666766800.

The previous prime is 1166842043. The next prime is 1166842093. The reversal of 1166842047 is 7402486611.

1166842047 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1166842047 - 2² = 1166842043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1166841996 and 1166842014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1166842043) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3968704 + ... + 3968997.

It is an arithmetic number, because the mean of its divisors is an integer number (150816338).

Almost surely, 2^1166842047 is an apocalyptic number.

1166842047 is a deficient number, since it is larger than the sum of its proper divisors (642954009).

1166842047 is an equidigital number, since it uses as much as digits as its factorization.

1166842047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7937718 (or 7937711 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 39.

The square root of 1166842047 is about 34159.0697619241. The cubic root of 1166842047 is about 1052.7793476926.

The spelling of 1166842047 in words is "one billion, one hundred sixty-six million, eight hundred forty-two thousand, forty-seven".