43161696 has 36 divisors (see below), whose sum is σ = 122741892. Its totient is φ = 14387136.

The previous prime is 43161683. The next prime is 43161739. The reversal of 43161696 is 69616134.

43161696 is a `hidden beast` number, since 4 + 31 + 616 + 9 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 43161696.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 74646 + ... + 75221.

It is an arithmetic number, because the mean of its divisors is an integer number (3409497).

Almost surely, 2^43161696 is an apocalyptic number.

It is an amenable number.

43161696 is an abundant number, since it is smaller than the sum of its proper divisors (79580196).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

43161696 is a wasteful number, since it uses less digits than its factorization.

43161696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149883 (or 149872 counting only the distinct ones).

The product of its digits is 23328, while the sum is 36.

The square root of 43161696 is about 6569.7561598586. The cubic root of 43161696 is about 350.7783927574.

The spelling of 43161696 in words is "forty-three million, one hundred sixty-one thousand, six hundred ninety-six".