6653611678980 has 96 divisors (see below), whose sum is σ = 21312210124800. Its totient is φ = 1519350330240.

The previous prime is 6653611678963. The next prime is 6653611678997. The reversal of 6653611678980 is 898761163566.

It is an interprime number because it is at equal distance from previous prime (6653611678963) and next prime (6653611678997).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7249780 + ... + 8115819.

It is an arithmetic number, because the mean of its divisors is an integer number (222002188800).

Almost surely, 2^{6653611678980} is an apocalyptic number.

6653611678980 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6653611678980 is an abundant number, since it is smaller than the sum of its proper divisors (14658598445820).

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

6653611678980 is a wasteful number, since it uses less digits than its factorization.

6653611678980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15366649 (or 15366647 counting only the distinct ones).

The product of its (nonzero) digits is 78382080, while the sum is 66.

The spelling of 6653611678980 in words is "six trillion, six hundred fifty-three billion, six hundred eleven million, six hundred seventy-eight thousand, nine hundred eighty".