7173216690 has 16 divisors (see below), whose sum is σ = 17215720128. Its totient is φ = 1912857776.

The previous prime is 7173216689. The next prime is 7173216719. The reversal of 7173216690 is 966123717.

7173216690 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×7173216690² (a number of 21 digits) contains 22 as substring.

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, 119553582 + ... + 119553641.

It is an arithmetic number, because the mean of its divisors is an integer number (1075982508).

Almost surely, 2^7173216690 is an apocalyptic number.

7173216690 is an abundant number, since it is smaller than the sum of its proper divisors (10042503438).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7173216690 is a wasteful number, since it uses less digits than its factorization.

7173216690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239107233.

The product of its (nonzero) digits is 95256, while the sum is 42.

The square root of 7173216690 is about 84694.8445302310. The cubic root of 7173216690 is about 1928.5814421506.

The spelling of 7173216690 in words is "seven billion, one hundred seventy-three million, two hundred sixteen thousand, six hundred ninety".