10161291 has 16 divisors (see below), whose sum is σ = 16395264. Its totient is φ = 5464704.

The previous prime is 10161289. The next prime is 10161311. The reversal of 10161291 is 19216101.

It is not a de Polignac number, because 10161291 - 2¹ = 10161289 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (10161251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13875 + ... + 14588.

It is an arithmetic number, because the mean of its divisors is an integer number (1024704).

Almost surely, 2^10161291 is an apocalyptic number.

10161291 is a deficient number, since it is larger than the sum of its proper divisors (6233973).

10161291 is a wasteful number, since it uses less digits than its factorization.

10161291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28490.

The product of its (nonzero) digits is 108, while the sum is 21.

The square root of 10161291 is about 3187.6779950302. The cubic root of 10161291 is about 216.5955998352.

Adding to 10161291 its reverse (19216101), we get a palindrome (29377392).

The spelling of 10161291 in words is "ten million, one hundred sixty-one thousand, two hundred ninety-one".