4164246721 has 8 divisors (see below), whose sum is σ = 4308971040. Its totient is φ = 4021698912.

The previous prime is 4164246719. The next prime is 4164246767. The reversal of 4164246721 is 1276424614.

4164246721 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 cyclic number.

It is not a de Polignac number, because 4164246721 - 2¹ = 4164246719 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4164246421) 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, 540235 + ... + 547888.

It is an arithmetic number, because the mean of its divisors is an integer number (538621380).

Almost surely, 2^4164246721 is an apocalyptic number.

It is an amenable number.

4164246721 is a deficient number, since it is larger than the sum of its proper divisors (144724319).

4164246721 is a wasteful number, since it uses less digits than its factorization.

4164246721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1088255.

The product of its digits is 64512, while the sum is 37.

The square root of 4164246721 is about 64530.9748957816. The cubic root of 4164246721 is about 1608.8373897665.

The spelling of 4164246721 in words is "four billion, one hundred sixty-four million, two hundred forty-six thousand, seven hundred twenty-one".