43221165146 has 16 divisors (see below), whose sum is σ = 66062594304. Its totient is φ = 21200394384.

The previous prime is 43221165133. The next prime is 43221165149. The reversal of 43221165146 is 64156112234.

It is not an unprimeable number, because it can be changed into a prime (43221165149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1201595 + ... + 1237041.

It is an arithmetic number, because the mean of its divisors is an integer number (4128912144).

Almost surely, 2^43221165146 is an apocalyptic number.

43221165146 is a deficient number, since it is larger than the sum of its proper divisors (22841429158).

43221165146 is a wasteful number, since it uses less digits than its factorization.

43221165146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47005.

The product of its digits is 34560, while the sum is 35.

The spelling of 43221165146 in words is "forty-three billion, two hundred twenty-one million, one hundred sixty-five thousand, one hundred forty-six".