20612161171107 has 48 divisors (see below), whose sum is σ = 34491790569600. Its totient is φ = 11730001409280.

The previous prime is 20612161171057. The next prime is 20612161171123. The reversal of 20612161171107 is 70117116121602.

20612161171107 is a `hidden beast` number, since 2 + 0 + 6 + 1 + 21 + 611 + 7 + 1 + 10 + 7 = 666.

It is not a de Polignac number, because 20612161171107 - 2¹² = 20612161167011 is a prime.

It is a super-2 number, since 2×20612161171107² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20612161171307) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 48274557 + ... + 48699662.

It is an arithmetic number, because the mean of its divisors is an integer number (718578970200).

Almost surely, 2^{20612161171107} is an apocalyptic number.

20612161171107 is a deficient number, since it is larger than the sum of its proper divisors (13879629398493).

20612161171107 is a wasteful number, since it uses less digits than its factorization.

20612161171107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96974368 (or 96974365 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 36.

Adding to 20612161171107 its reverse (70117116121602), we get a palindrome (90729277292709).

It can be divided in two parts, 2061216 and 1171107, that added together give a palindrome (3232323).

The spelling of 20612161171107 in words is "twenty trillion, six hundred twelve billion, one hundred sixty-one million, one hundred seventy-one thousand, one hundred seven".