6611980 has 24 divisors (see below), whose sum is σ = 14702688. Its totient is φ = 2489088.

The previous prime is 6611951. The next prime is 6611989. The reversal of 6611980 is 891166.

6611980 = T₈₈ + T₈₉ + ... + T₃₄₂.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (6611989) 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, 9384 + ... + 10063.

It is an arithmetic number, because the mean of its divisors is an integer number (612612).

Almost surely, 2^6611980 is an apocalyptic number.

It is an amenable number.

6611980 is an abundant number, since it is smaller than the sum of its proper divisors (8090708).

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

6611980 is a wasteful number, since it uses less digits than its factorization.

6611980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19473 (or 19471 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 31.

The square root of 6611980 is about 2571.3770629762. The cubic root of 6611980 is about 187.6911709459.

The spelling of 6611980 in words is "six million, six hundred eleven thousand, nine hundred eighty".