1118162272 has 24 divisors (see below), whose sum is σ = 2206008000. Its totient is φ = 557906304.

The previous prime is 1118162261. The next prime is 1118162317. The reversal of 1118162272 is 2722618111.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21147 + ... + 51802.

It is an arithmetic number, because the mean of its divisors is an integer number (91917000).

Almost surely, 2^1118162272 is an apocalyptic number.

It is an amenable number.

1118162272 is a deficient number, since it is larger than the sum of its proper divisors (1087845728).

1118162272 is an equidigital number, since it uses as much as digits as its factorization.

1118162272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73438 (or 73430 counting only the distinct ones).

The product of its digits is 2688, while the sum is 31.

The square root of 1118162272 is about 33438.9334758153. The cubic root of 1118162272 is about 1037.9305099115.

The spelling of 1118162272 in words is "one billion, one hundred eighteen million, one hundred sixty-two thousand, two hundred seventy-two".