6610644782 has 12 divisors (see below), whose sum is σ = 11534900760. Its totient is φ = 2833133436.

The previous prime is 6610644779. The next prime is 6610644811. The reversal of 6610644782 is 2874460166.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 33727682 + ... + 33727877.

It is an arithmetic number, because the mean of its divisors is an integer number (961241730).

Almost surely, 2^6610644782 is an apocalyptic number.

6610644782 is a deficient number, since it is larger than the sum of its proper divisors (4924255978).

6610644782 is a wasteful number, since it uses less digits than its factorization.

6610644782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67455575 (or 67455568 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 44.

The square root of 6610644782 is about 81305.8717559808. The cubic root of 6610644782 is about 1876.7853602663.

The spelling of 6610644782 in words is "six billion, six hundred ten million, six hundred forty-four thousand, seven hundred eighty-two".