44161164 has 18 divisors (see below), whose sum is σ = 111629700. Its totient is φ = 14720376.

The previous prime is 44161163. The next prime is 44161193. The reversal of 44161164 is 46116144.

44161164 is a `hidden beast` number, since 4 + 41 + 611 + 6 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

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

It is not an unprimeable number, because it can be changed into a prime (44161163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 613314 + ... + 613385.

It is an arithmetic number, because the mean of its divisors is an integer number (6201650).

Almost surely, 2^44161164 is an apocalyptic number.

It is an amenable number.

44161164 is an abundant number, since it is smaller than the sum of its proper divisors (67468536).

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

44161164 is a wasteful number, since it uses less digits than its factorization.

44161164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1226709 (or 1226704 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

The square root of 44161164 is about 6645.3866704655. The cubic root of 44161164 is about 353.4653424700.

The spelling of 44161164 in words is "forty-four million, one hundred sixty-one thousand, one hundred sixty-four".