11161642 has 8 divisors (see below), whose sum is σ = 17195076. Its totient is φ = 5429952.

The previous prime is 11161613. The next prime is 11161663. The reversal of 11161642 is 24616111.

It can be written as a sum of positive squares in 2 ways, for example, as 7845601 + 3316041 = 2801^2 + 1821^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a zygodrome in base 4.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75343 + ... + 75490.

Almost surely, 2^11161642 is an apocalyptic number.

11161642 is a deficient number, since it is larger than the sum of its proper divisors (6033434).

11161642 is a wasteful number, since it uses less digits than its factorization.

11161642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150872.

The product of its digits is 288, while the sum is 22.

The square root of 11161642 is about 3340.9043685805. The cubic root of 11161642 is about 223.4820756128.

Adding to 11161642 its reverse (24616111), we get a palindrome (35777753).

The spelling of 11161642 in words is "eleven million, one hundred sixty-one thousand, six hundred forty-two".