10161165 has 64 divisors (see below), whose sum is σ = 19906560. Its totient is φ = 4327680.

The previous prime is 10161163. The next prime is 10161209. The reversal of 10161165 is 56116101.

It is not a de Polignac number, because 10161165 - 2¹ = 10161163 is a prime.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10161161) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 143080 + ... + 143150.

It is an arithmetic number, because the mean of its divisors is an integer number (311040).

Almost surely, 2^10161165 is an apocalyptic number.

10161165 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10161165 is a deficient number, since it is larger than the sum of its proper divisors (9745395).

10161165 is a wasteful number, since it uses less digits than its factorization.

10161165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162.

The product of its (nonzero) digits is 180, while the sum is 21.

The square root of 10161165 is about 3187.6582313667. The cubic root of 10161165 is about 216.5947045698.

Adding to 10161165 its reverse (56116101), we get a palindrome (66277266).

The spelling of 10161165 in words is "ten million, one hundred sixty-one thousand, one hundred sixty-five".