16969161 has 12 divisors (see below), whose sum is σ = 24869936. Its totient is φ = 10284120.

The previous prime is 16969159. The next prime is 16969171. The reversal of 16969161 is 16196961.

16969161 = T₁₇₅₁ + T₁₇₅₂ + ... + T₁₇₆₁.

It is not a de Polignac number, because 16969161 - 2¹ = 16969159 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16969151) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23011 + ... + 23736.

Almost surely, 2^16969161 is an apocalyptic number.

16969161 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

16969161 is a deficient number, since it is larger than the sum of its proper divisors (7900775).

16969161 is a wasteful number, since it uses less digits than its factorization.

16969161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46772 (or 46761 counting only the distinct ones).

The product of its digits is 17496, while the sum is 39.

The square root of 16969161 is about 4119.3641499630. The cubic root of 16969161 is about 256.9725830846.

The spelling of 16969161 in words is "sixteen million, nine hundred sixty-nine thousand, one hundred sixty-one".