7216191352 has 32 divisors (see below), whose sum is σ = 13780738800. Its totient is φ = 3541515264.

The previous prime is 7216191343. The next prime is 7216191371. The reversal of 7216191352 is 2531916127.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 306298 + ... + 329014.

Almost surely, 2^7216191352 is an apocalyptic number.

It is an amenable number.

7216191352 is a deficient number, since it is larger than the sum of its proper divisors (6564547448).

7216191352 is a wasteful number, since it uses less digits than its factorization.

7216191352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23455 (or 23451 counting only the distinct ones).

The product of its digits is 22680, while the sum is 37.

The square root of 7216191352 is about 84948.1686206360. The cubic root of 7216191352 is about 1932.4251465188.

The spelling of 7216191352 in words is "seven billion, two hundred sixteen million, one hundred ninety-one thousand, three hundred fifty-two".