20061517343166 has 96 divisors (see below), whose sum is σ = 48356514501120. Its totient is φ = 6162257121696.

The previous prime is 20061517343159. The next prime is 20061517343213. The reversal of 20061517343166 is 66134371516002.

20061517343166 is a `hidden beast` number, since 2 + 0 + 0 + 6 + 151 + 7 + 3 + 431 + 66 = 666.

It is a super-2 number, since 2×20061517343166² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3484491 + ... + 7229433.

It is an arithmetic number, because the mean of its divisors is an integer number (503713692720).

Almost surely, 2^{20061517343166} is an apocalyptic number.

20061517343166 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 20061517343166, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24178257250560).

20061517343166 is an abundant number, since it is smaller than the sum of its proper divisors (28294997157954).

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

20061517343166 is a wasteful number, since it uses less digits than its factorization.

20061517343166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3745567 (or 3745548 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 45.

Adding to 20061517343166 its reverse (66134371516002), we get a palindrome (86195888859168).

The spelling of 20061517343166 in words is "twenty trillion, sixty-one billion, five hundred seventeen million, three hundred forty-three thousand, one hundred sixty-six".