1171174663 has 4 divisors (see below), whose sum is σ = 1179600520. Its totient is φ = 1162748808.

The previous prime is 1171174661. The next prime is 1171174679. The reversal of 1171174663 is 3664711711.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3664711711 = 1831 ⋅2001481.

It is a cyclic number.

It is not a de Polignac number, because 1171174663 - 2¹ = 1171174661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1171174661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4212720 + ... + 4212997.

It is an arithmetic number, because the mean of its divisors is an integer number (294900130).

Almost surely, 2^1171174663 is an apocalyptic number.

1171174663 is a deficient number, since it is larger than the sum of its proper divisors (8425857).

1171174663 is an equidigital number, since it uses as much as digits as its factorization.

1171174663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8425856.

The product of its digits is 21168, while the sum is 37.

The square root of 1171174663 is about 34222.4292387317. The cubic root of 1171174663 is about 1054.0807676945.

The spelling of 1171174663 in words is "one billion, one hundred seventy-one million, one hundred seventy-four thousand, six hundred sixty-three".