1117165418 has 4 divisors (see below), whose sum is σ = 1675748130. Its totient is φ = 558582708.

The previous prime is 1117165411. The next prime is 1117165433. The reversal of 1117165418 is 8145617111.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 697857889 + 419307529 = 26417^2 + 20477^2 .

It is a super-2 number, since 2×1117165418² = 2496117142350229448, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1117165411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 279291353 + ... + 279291356.

Almost surely, 2^1117165418 is an apocalyptic number.

1117165418 is a deficient number, since it is larger than the sum of its proper divisors (558582712).

1117165418 is an equidigital number, since it uses as much as digits as its factorization.

1117165418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 558582711.

The product of its digits is 6720, while the sum is 35.

The square root of 1117165418 is about 33424.0245631791. The cubic root of 1117165418 is about 1037.6219760398.

The spelling of 1117165418 in words is "one billion, one hundred seventeen million, one hundred sixty-five thousand, four hundred eighteen".