1162161444 has 24 divisors (see below), whose sum is σ = 2712307360. Its totient is φ = 387301824.

The previous prime is 1162161421. The next prime is 1162161461. The reversal of 1162161444 is 4441612611.

It is a nude number because it is divisible by every one of its digits.

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, 71247 + ... + 86025.

Almost surely, 2^1162161444 is an apocalyptic number.

It is an amenable number.

1162161444 is an abundant number, since it is smaller than the sum of its proper divisors (1550145916).

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

1162161444 is a wasteful number, since it uses less digits than its factorization.

1162161444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21339 (or 21337 counting only the distinct ones).

The product of its digits is 4608, while the sum is 30.

The square root of 1162161444 is about 34090.4890548669. The cubic root of 1162161444 is about 1051.3697750978.

The spelling of 1162161444 in words is "one billion, one hundred sixty-two million, one hundred sixty-one thousand, four hundred forty-four".