16210161 has 24 divisors (see below), whose sum is σ = 25904736. Its totient is φ = 9685440.

The previous prime is 16210151. The next prime is 16210171. The reversal of 16210161 is 16101261.

It is an interprime number because it is at equal distance from previous prime (16210151) and next prime (16210171).

It is not a de Polignac number, because 16210161 - 2¹⁴ = 16193777 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16210111) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6106 + ... + 8348.

It is an arithmetic number, because the mean of its divisors is an integer number (1079364).

Almost surely, 2^16210161 is an apocalyptic number.

16210161 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

16210161 is a deficient number, since it is larger than the sum of its proper divisors (9694575).

16210161 is a wasteful number, since it uses less digits than its factorization.

16210161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2333 (or 2330 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

The square root of 16210161 is about 4026.1844220055. The cubic root of 16210161 is about 253.0826905050.

Subtracting from 16210161 its reverse (16101261), we obtain a square (108900 = 330²).

The spelling of 16210161 in words is "sixteen million, two hundred ten thousand, one hundred sixty-one".