4164081538 has 8 divisors (see below), whose sum is σ = 6246515088. Its totient is φ = 2081909844.

The previous prime is 4164081521. The next prime is 4164081539. The reversal of 4164081538 is 8351804614.

4164081538 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×4164081538² = 34679150110224890888, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4164081538.

It is not an unprimeable number, because it can be changed into a prime (4164081539) 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, 19156 + ... + 93247.

It is an arithmetic number, because the mean of its divisors is an integer number (780814386).

Almost surely, 2^4164081538 is an apocalyptic number.

4164081538 is a deficient number, since it is larger than the sum of its proper divisors (2082433550).

4164081538 is a wasteful number, since it uses less digits than its factorization.

4164081538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130928.

The product of its (nonzero) digits is 92160, while the sum is 40.

The square root of 4164081538 is about 64529.6950093521. The cubic root of 4164081538 is about 1608.8161169235.

The spelling of 4164081538 in words is "four billion, one hundred sixty-four million, eighty-one thousand, five hundred thirty-eight".