6655833427780 has 24 divisors (see below), whose sum is σ = 14355013718808. Its totient is φ = 2590378414848.

The previous prime is 6655833427759. The next prime is 6655833427787. The reversal of 6655833427780 is 877243385566.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2535680433924 + 4120152993856 = 1592382^2 + 2029816^2 .

It is not an unprimeable number, because it can be changed into a prime (6655833427787) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4497184009 + ... + 4497185488.

It is an arithmetic number, because the mean of its divisors is an integer number (598125571617).

Almost surely, 2^{6655833427780} is an apocalyptic number.

It is an amenable number.

6655833427780 is an abundant number, since it is smaller than the sum of its proper divisors (7699180291028).

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

6655833427780 is a wasteful number, since it uses less digits than its factorization.

6655833427780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8994369543 (or 8994369541 counting only the distinct ones).

The product of its (nonzero) digits is 203212800, while the sum is 64.

The spelling of 6655833427780 in words is "six trillion, six hundred fifty-five billion, eight hundred thirty-three million, four hundred twenty-seven thousand, seven hundred eighty".