106661161660 has 24 divisors (see below), whose sum is σ = 237164230800. Its totient is φ = 40154790144.

The previous prime is 106661161657. The next prime is 106661161721. The reversal of 106661161660 is 66161166601.

It is a super-2 number, since 2×106661161660² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 156854310 + ... + 156854989.

It is an arithmetic number, because the mean of its divisors is an integer number (9881842950).

Almost surely, 2^106661161660 is an apocalyptic number.

106661161660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

106661161660 is an abundant number, since it is smaller than the sum of its proper divisors (130503069140).

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

106661161660 is a wasteful number, since it uses less digits than its factorization.

106661161660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313709325 (or 313709323 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 40.

The spelling of 106661161660 in words is "one hundred six billion, six hundred sixty-one million, one hundred sixty-one thousand, six hundred sixty".