4538166320 has 40 divisors (see below), whose sum is σ = 11171901024. Its totient is φ = 1708485632.

The previous prime is 4538166313. The next prime is 4538166331. The reversal of 4538166320 is 236618354.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1667084 + ... + 1669803.

Almost surely, 2^4538166320 is an apocalyptic number.

4538166320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4538166320 is an abundant number, since it is smaller than the sum of its proper divisors (6633734704).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4538166320 is a wasteful number, since it uses less digits than its factorization.

4538166320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3336917 (or 3336911 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 38.

The square root of 4538166320 is about 67365.9136359034. The cubic root of 4538166320 is about 1655.6179873725.

The spelling of 4538166320 in words is "four billion, five hundred thirty-eight million, one hundred sixty-six thousand, three hundred twenty".