16106149 has 2 divisors, whose sum is σ = 16106150. Its totient is φ = 16106148.

The previous prime is 16106147. The next prime is 16106173. The reversal of 16106149 is 94160161.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14493249 + 1612900 = 3807^2 + 1270^2 .

It is a cyclic number.

It is not a de Polignac number, because 16106149 - 2¹ = 16106147 is a prime.

It is a super-2 number, since 2×16106149² = 518816071220402, which contains 22 as substring.

Together with 16106147, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16106147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8053074 + 8053075.

It is an arithmetic number, because the mean of its divisors is an integer number (8053075).

Almost surely, 2^16106149 is an apocalyptic number.

It is an amenable number.

16106149 is a deficient number, since it is larger than the sum of its proper divisors (1).

16106149 is an equidigital number, since it uses as much as digits as its factorization.

16106149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 16106149 is about 4013.2466906484. The cubic root of 16106149 is about 252.5402295147.

The spelling of 16106149 in words is "sixteen million, one hundred six thousand, one hundred forty-nine".