1162272256 has 80 divisors (see below), whose sum is σ = 2463302160. Its totient is φ = 546324480.

The previous prime is 1162272247. The next prime is 1162272263. The reversal of 1162272256 is 6522722611.

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, 1526916 + ... + 1527676.

It is an arithmetic number, because the mean of its divisors is an integer number (30791277).

Almost surely, 2^1162272256 is an apocalyptic number.

1162272256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1162272256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1231651080).

1162272256 is an abundant number, since it is smaller than the sum of its proper divisors (1301029904).

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

1162272256 is an equidigital number, since it uses as much as digits as its factorization.

1162272256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 955 (or 939 counting only the distinct ones).

The product of its digits is 20160, while the sum is 34.

The square root of 1162272256 is about 34092.1142788182. The cubic root of 1162272256 is about 1051.4031900435.

Adding to 1162272256 its reverse (6522722611), we get a palindrome (7684994867).

The spelling of 1162272256 in words is "one billion, one hundred sixty-two million, two hundred seventy-two thousand, two hundred fifty-six".