4163721087 has 8 divisors (see below), whose sum is σ = 5614006320. Its totient is φ = 2744624960.

The previous prime is 4163721083. The next prime is 4163721101. The reversal of 4163721087 is 7801273614.

4163721087 is digitally balanced in base 3, 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 4163721087 - 2² = 4163721083 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4163721083) 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, 7796964 + ... + 7797497.

It is an arithmetic number, because the mean of its divisors is an integer number (701750790).

Almost surely, 2^4163721087 is an apocalyptic number.

4163721087 is a deficient number, since it is larger than the sum of its proper divisors (1450285233).

4163721087 is a wasteful number, since it uses less digits than its factorization.

4163721087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15594553.

The product of its (nonzero) digits is 56448, while the sum is 39.

The square root of 4163721087 is about 64526.9020409317. The cubic root of 4163721087 is about 1608.7696948329.

The spelling of 4163721087 in words is "four billion, one hundred sixty-three million, seven hundred twenty-one thousand, eighty-seven".