7216613605 has 8 divisors (see below), whose sum is σ = 8958555000. Its totient is φ = 5574211776.

The previous prime is 7216613587. The next prime is 7216613627. The reversal of 7216613605 is 5063166127.

It can be written as a sum of positive squares in 4 ways, for example, as 127983969 + 7088629636 = 11313^2 + 84194^2 .

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 7216613605 - 2¹⁵ = 7216580837 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24884730 + ... + 24885019.

It is an arithmetic number, because the mean of its divisors is an integer number (1119819375).

Almost surely, 2^7216613605 is an apocalyptic number.

It is an amenable number.

7216613605 is a deficient number, since it is larger than the sum of its proper divisors (1741941395).

7216613605 is a wasteful number, since it uses less digits than its factorization.

7216613605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49769783.

The product of its (nonzero) digits is 45360, while the sum is 37.

The square root of 7216613605 is about 84950.6539409792. The cubic root of 7216613605 is about 1932.4628375186.

The spelling of 7216613605 in words is "seven billion, two hundred sixteen million, six hundred thirteen thousand, six hundred five".