6655567152020 has 12 divisors (see below), whose sum is σ = 13976691019284. Its totient is φ = 2662226860800.

The previous prime is 6655567151957. The next prime is 6655567152071. The reversal of 6655567152020 is 202517655566.

It can be written as a sum of positive squares in 2 ways, for example, as 5047022847364 + 1608544304656 = 2246558^2 + 1268284^2 .

It is a super-2 number, since 2×6655567152020² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6655567152020.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 166389178781 + ... + 166389178820.

It is an arithmetic number, because the mean of its divisors is an integer number (1164724251607).

Almost surely, 2^{6655567152020} is an apocalyptic number.

It is an amenable number.

6655567152020 is an abundant number, since it is smaller than the sum of its proper divisors (7321123867264).

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

6655567152020 is a wasteful number, since it uses less digits than its factorization.

6655567152020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332778357610 (or 332778357608 counting only the distinct ones).

The product of its (nonzero) digits is 3780000, while the sum is 50.

The spelling of 6655567152020 in words is "six trillion, six hundred fifty-five billion, five hundred sixty-seven million, one hundred fifty-two thousand, twenty".