43632277040161 has 4 divisors (see below), whose sum is σ = 43632295942212. Its totient is φ = 43632258138112.

The previous prime is 43632277040113. The next prime is 43632277040171. The reversal of 43632277040161 is 16104077223634.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 23855409640000 + 19776867400161 = 4884200^2 + 4447119^2 .

It is a cyclic number.

It is not a de Polignac number, because 43632277040161 - 2²⁵ = 43632243485729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43632277040171) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5413600 + ... + 10796833.

It is an arithmetic number, because the mean of its divisors is an integer number (10908073985553).

Almost surely, 2^{43632277040161} is an apocalyptic number.

It is an amenable number.

43632277040161 is a deficient number, since it is larger than the sum of its proper divisors (18902051).

43632277040161 is a wasteful number, since it uses less digits than its factorization.

43632277040161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18902050.

The product of its (nonzero) digits is 1016064, while the sum is 46.

The spelling of 43632277040161 in words is "forty-three trillion, six hundred thirty-two billion, two hundred seventy-seven million, forty thousand, one hundred sixty-one".