7164230621 has 4 divisors (see below), whose sum is σ = 7170298044. Its totient is φ = 7158163200.

The previous prime is 7164230617. The next prime is 7164230659. The reversal of 7164230621 is 1260324617.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6894811225 + 269419396 = 83035^2 + 16414^2 .

It is a cyclic number.

It is not a de Polignac number, because 7164230621 - 2² = 7164230617 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7164233621) 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, 3031940 + ... + 3034301.

It is an arithmetic number, because the mean of its divisors is an integer number (1792574511).

Almost surely, 2^7164230621 is an apocalyptic number.

It is an amenable number.

7164230621 is a deficient number, since it is larger than the sum of its proper divisors (6067423).

7164230621 is a wasteful number, since it uses less digits than its factorization.

7164230621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6067422.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 7164230621 is about 84641.7782244679. The cubic root of 7164230621 is about 1927.7757781355.

The spelling of 7164230621 in words is "seven billion, one hundred sixty-four million, two hundred thirty thousand, six hundred twenty-one".