1001161336 has 48 divisors (see below), whose sum is σ = 2204155800. Its totient is φ = 425041344.

The previous prime is 1001161327. The next prime is 1001161351. The reversal of 1001161336 is 6331611001.

It is a happy number.

1001161336 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30010 + ... + 53878.

Almost surely, 2^1001161336 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1001161336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1102077900).

1001161336 is an abundant number, since it is smaller than the sum of its proper divisors (1202994464).

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

1001161336 is a wasteful number, since it uses less digits than its factorization.

1001161336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23996 (or 23985 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 22.

The square root of 1001161336 is about 31641.1336080109. The cubic root of 1001161336 is about 1000.3869622409.

Adding to 1001161336 its reverse (6331611001), we get a palindrome (7332772337).

The spelling of 1001161336 in words is "one billion, one million, one hundred sixty-one thousand, three hundred thirty-six".