1170661673 has 2 divisors, whose sum is σ = 1170661674. Its totient is φ = 1170661672.

The previous prime is 1170661607. The next prime is 1170661693. The reversal of 1170661673 is 3761660711.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1052548249 + 118113424 = 32443^2 + 10868^2 .

It is an emirp because it is prime and its reverse (3761660711) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1170661673 - 2¹² = 1170657577 is a prime.

It is not a weakly prime, because it can be changed into another prime (1170661603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 585330836 + 585330837.

It is an arithmetic number, because the mean of its divisors is an integer number (585330837).

Almost surely, 2^1170661673 is an apocalyptic number.

It is an amenable number.

1170661673 is a deficient number, since it is larger than the sum of its proper divisors (1).

1170661673 is an equidigital number, since it uses as much as digits as its factorization.

1170661673 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31752, while the sum is 38.

The square root of 1170661673 is about 34214.9334794034. The cubic root of 1170661673 is about 1053.9268447775.

The spelling of 1170661673 in words is "one billion, one hundred seventy million, six hundred sixty-one thousand, six hundred seventy-three".