436161368 has 8 divisors (see below), whose sum is σ = 817802580. Its totient is φ = 218080680.

The previous prime is 436161361. The next prime is 436161371. The reversal of 436161368 is 863161634.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (436161361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27260078 + ... + 27260093.

Almost surely, 2^436161368 is an apocalyptic number.

It is an amenable number.

436161368 is a deficient number, since it is larger than the sum of its proper divisors (381641212).

436161368 is a wasteful number, since it uses less digits than its factorization.

436161368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54520177 (or 54520173 counting only the distinct ones).

The product of its digits is 62208, while the sum is 38.

The square root of 436161368 is about 20884.4767231549. The cubic root of 436161368 is about 758.3721900094.

The spelling of 436161368 in words is "four hundred thirty-six million, one hundred sixty-one thousand, three hundred sixty-eight".