66160561107060 has 288 divisors, whose sum is σ = 242984519511552. Its totient is φ = 14224869457920.

The previous prime is 66160561107041. The next prime is 66160561107089. The reversal of 66160561107060 is 6070116506166.

66160561107060 is a `hidden beast` number, since 6 + 6 + 1 + 6 + 0 + 561 + 10 + 70 + 6 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 66160561106997 and 66160561107015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 37325700 + ... + 39058020.

It is an arithmetic number, because the mean of its divisors is an integer number (843696248304).

Almost surely, 2^{66160561107060} is an apocalyptic number.

66160561107060 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 66160561107060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (121492259755776).

66160561107060 is an abundant number, since it is smaller than the sum of its proper divisors (176823958404492).

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

66160561107060 is a wasteful number, since it uses less digits than its factorization.

66160561107060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1734143 (or 1734138 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The spelling of 66160561107060 in words is "sixty-six trillion, one hundred sixty billion, five hundred sixty-one million, one hundred seven thousand, sixty".