6661760450 has 24 divisors (see below), whose sum is σ = 12401564880. Its totient is φ = 2662405200.

The previous prime is 6661760447. The next prime is 6661760459. The reversal of 6661760450 is 540671666.

It is a junction number, because it is equal to n+sod(n) for n = 6661760398 and 6661760407.

It is not an unprimeable number, because it can be changed into a prime (6661760459) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1661 + ... + 115439.

It is an arithmetic number, because the mean of its divisors is an integer number (516731870).

Almost surely, 2^6661760450 is an apocalyptic number.

6661760450 is a deficient number, since it is larger than the sum of its proper divisors (5739804430).

6661760450 is a wasteful number, since it uses less digits than its factorization.

6661760450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114962 (or 114957 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 41.

The square root of 6661760450 is about 81619.6082445879. The cubic root of 6661760450 is about 1881.6102517926.

The spelling of 6661760450 in words is "six billion, six hundred sixty-one million, seven hundred sixty thousand, four hundred fifty".