4168031128 has 8 divisors (see below), whose sum is σ = 7815058380. Its totient is φ = 2084015560.

The previous prime is 4168031113. The next prime is 4168031129. The reversal of 4168031128 is 8211308614.

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

It is a junction number, because it is equal to n+sod(n) for n = 4168031093 and 4168031102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4168031129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 260501938 + ... + 260501953.

Almost surely, 2^4168031128 is an apocalyptic number.

It is an amenable number.

4168031128 is a deficient number, since it is larger than the sum of its proper divisors (3647027252).

4168031128 is a wasteful number, since it uses less digits than its factorization.

4168031128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 521003897 (or 521003893 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 34.

The square root of 4168031128 is about 64560.2906437076. The cubic root of 4168031128 is about 1609.3246048972.

The spelling of 4168031128 in words is "four billion, one hundred sixty-eight million, thirty-one thousand, one hundred twenty-eight".