6771210651690 has 32 divisors (see below), whose sum is σ = 16272544640256. Its totient is φ = 1803251832000.

The previous prime is 6771210651683. The next prime is 6771210651703. The reversal of 6771210651690 is 961560121776.

It is a happy number.

It is a super-2 number, since 2×6771210651690² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 150248457 + ... + 150293516.

It is an arithmetic number, because the mean of its divisors is an integer number (508517020008).

Almost surely, 2^{6771210651690} is an apocalyptic number.

6771210651690 is an abundant number, since it is smaller than the sum of its proper divisors (9501333988566).

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

6771210651690 is a wasteful number, since it uses less digits than its factorization.

6771210651690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300542734.

The product of its (nonzero) digits is 952560, while the sum is 51.

The spelling of 6771210651690 in words is "six trillion, seven hundred seventy-one billion, two hundred ten million, six hundred fifty-one thousand, six hundred ninety".