43386161 has 16 divisors (see below), whose sum is σ = 53606784. Its totient is φ = 34193664.

The previous prime is 43386149. The next prime is 43386173. The reversal of 43386161 is 16168334.

It is an interprime number because it is at equal distance from previous prime (43386149) and next prime (43386173).

It is a cyclic number.

It is not a de Polignac number, because 43386161 - 2¹⁰ = 43385137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (43386131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27161 + ... + 28713.

It is an arithmetic number, because the mean of its divisors is an integer number (3350424).

Almost surely, 2^43386161 is an apocalyptic number.

It is an amenable number.

43386161 is a deficient number, since it is larger than the sum of its proper divisors (10220623).

43386161 is a wasteful number, since it uses less digits than its factorization.

43386161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1880.

The product of its digits is 10368, while the sum is 32.

The square root of 43386161 is about 6586.8172131918. The cubic root of 43386161 is about 351.3854230583.

The spelling of 43386161 in words is "forty-three million, three hundred eighty-six thousand, one hundred sixty-one".