43641332166213 has 24 divisors (see below), whose sum is σ = 63052075632000. Its totient is φ = 29087485789824.

The previous prime is 43641332166193. The next prime is 43641332166221. The reversal of 43641332166213 is 31266123314634.

43641332166213 is a `hidden beast` number, since 4 + 3 + 6 + 4 + 1 + 3 + 3 + 2 + 16 + 621 + 3 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-43641332166213 is a prime.

It is a super-2 number, since 2×43641332166213² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43641332166253) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 793754358 + ... + 793809336.

It is an arithmetic number, because the mean of its divisors is an integer number (2627169818000).

Almost surely, 2^{43641332166213} is an apocalyptic number.

It is an amenable number.

43641332166213 is a deficient number, since it is larger than the sum of its proper divisors (19410743465787).

43641332166213 is a wasteful number, since it uses less digits than its factorization.

43641332166213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73801 (or 73798 counting only the distinct ones).

The product of its digits is 1119744, while the sum is 45.

The spelling of 43641332166213 in words is "forty-three trillion, six hundred forty-one billion, three hundred thirty-two million, one hundred sixty-six thousand, two hundred thirteen".