6610461564 has 48 divisors (see below), whose sum is σ = 17869392128. Its totient is φ = 1862828928.

The previous prime is 6610461527. The next prime is 6610461569. The reversal of 6610461564 is 4651640166.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6610461569) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 532882 + ... + 545145.

Almost surely, 2^6610461564 is an apocalyptic number.

It is an amenable number.

6610461564 is an abundant number, since it is smaller than the sum of its proper divisors (11258930564).

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

6610461564 is a wasteful number, since it uses less digits than its factorization.

6610461564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1078114 (or 1078112 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 39.

The square root of 6610461564 is about 81304.7450275813. The cubic root of 6610461564 is about 1876.7680213607.

The spelling of 6610461564 in words is "six billion, six hundred ten million, four hundred sixty-one thousand, five hundred sixty-four".