7216851670 has 16 divisors (see below), whose sum is σ = 14846095008. Its totient is φ = 2474349120.

The previous prime is 7216851659. The next prime is 7216851671. The reversal of 7216851670 is 761586127.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7216851671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51548871 + ... + 51549010.

It is an arithmetic number, because the mean of its divisors is an integer number (927880938).

Almost surely, 2^7216851670 is an apocalyptic number.

7216851670 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

7216851670 is an abundant number, since it is smaller than the sum of its proper divisors (7629243338).

7216851670 is a wasteful number, since it uses less digits than its factorization.

7216851670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103097895.

The product of its (nonzero) digits is 141120, while the sum is 43.

The square root of 7216851670 is about 84952.0551252293. The cubic root of 7216851670 is about 1932.4840869454.

The spelling of 7216851670 in words is "seven billion, two hundred sixteen million, eight hundred fifty-one thousand, six hundred seventy".