61100666160 has 40 divisors (see below), whose sum is σ = 189412065840. Its totient is φ = 16293510912.

The previous prime is 61100666129. The next prime is 61100666183. The reversal of 61100666160 is 6166600116.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127292815 + ... + 127293294.

It is an arithmetic number, because the mean of its divisors is an integer number (4735301646).

Almost surely, 2^61100666160 is an apocalyptic number.

61100666160 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

61100666160 is an abundant number, since it is smaller than the sum of its proper divisors (128311399680).

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

61100666160 is a wasteful number, since it uses less digits than its factorization.

61100666160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254586125 (or 254586119 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 33.

The spelling of 61100666160 in words is "sixty-one billion, one hundred million, six hundred sixty-six thousand, one hundred sixty".