1171664318 has 16 divisors (see below), whose sum is σ = 1928755584. Its totient is φ = 529383960.

The previous prime is 1171664297. The next prime is 1171664323. The reversal of 1171664318 is 8134661711.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 155780 + ... + 163127.

It is an arithmetic number, because the mean of its divisors is an integer number (120547224).

Almost surely, 2^1171664318 is an apocalyptic number.

1171664318 is a deficient number, since it is larger than the sum of its proper divisors (757091266).

1171664318 is a wasteful number, since it uses less digits than its factorization.

1171664318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319087.

The product of its digits is 24192, while the sum is 38.

The square root of 1171664318 is about 34229.5824981842. The cubic root of 1171664318 is about 1054.2276470118.

The spelling of 1171664318 in words is "one billion, one hundred seventy-one million, six hundred sixty-four thousand, three hundred eighteen".