1116163650 has 144 divisors (see below), whose sum is σ = 3241667520. Its totient is φ = 253411200.

The previous prime is 1116163621. The next prime is 1116163651. The reversal of 1116163650 is 563616111.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (1116163651) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1329931 + ... + 1330769.

It is an arithmetic number, because the mean of its divisors is an integer number (22511580).

Almost surely, 2^1116163650 is an apocalyptic number.

1116163650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1116163650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1620833760).

1116163650 is an abundant number, since it is smaller than the sum of its proper divisors (2125503870).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1116163650 is a wasteful number, since it uses less digits than its factorization.

1116163650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1049 (or 1037 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 30.

The square root of 1116163650 is about 33409.0354544994. The cubic root of 1116163650 is about 1037.3117362952.

Adding to 1116163650 its reverse (563616111), we get a palindrome (1679779761).

The spelling of 1116163650 in words is "one billion, one hundred sixteen million, one hundred sixty-three thousand, six hundred fifty".