6161660660 has 24 divisors (see below), whose sum is σ = 12945290400. Its totient is φ = 2463558944.

The previous prime is 6161660621. The next prime is 6161660669. The reversal of 6161660660 is 660661616.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6161660669) 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, 22610 + ... + 113289.

It is an arithmetic number, because the mean of its divisors is an integer number (539387100).

Almost surely, 2^6161660660 is an apocalyptic number.

It is an amenable number.

6161660660 is an abundant number, since it is smaller than the sum of its proper divisors (6783629740).

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

6161660660 is a wasteful number, since it uses less digits than its factorization.

6161660660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138175 (or 138173 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 38.

The square root of 6161660660 is about 78496.2461522843. The cubic root of 6161660660 is about 1833.2960059250.

The spelling of 6161660660 in words is "six billion, one hundred sixty-one million, six hundred sixty thousand, six hundred sixty".