6775271221620 has 48 divisors (see below), whose sum is σ = 20695373915328. Its totient is φ = 1642489992960.

The previous prime is 6775271221573. The next prime is 6775271221681. The reversal of 6775271221620 is 261221725776.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 6775271221620.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5132780569 + ... + 5132781888.

It is an arithmetic number, because the mean of its divisors is an integer number (431153623236).

Almost surely, 2^{6775271221620} is an apocalyptic number.

6775271221620 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6775271221620 is an abundant number, since it is smaller than the sum of its proper divisors (13920102693708).

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

6775271221620 is a wasteful number, since it uses less digits than its factorization.

6775271221620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10265562480 (or 10265562478 counting only the distinct ones).

The product of its (nonzero) digits is 987840, while the sum is 48.

The spelling of 6775271221620 in words is "six trillion, seven hundred seventy-five billion, two hundred seventy-one million, two hundred twenty-one thousand, six hundred twenty".