20166425303137 has 8 divisors (see below), whose sum is σ = 20508120021312. Its totient is φ = 19825088571600.

The previous prime is 20166425303093. The next prime is 20166425303147. The reversal of 20166425303137 is 73130352466102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20166425303137 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20166425303093 and 20166425303102.

It is not an unprimeable number, because it can be changed into a prime (20166425303147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89383039 + ... + 89608372.

It is an arithmetic number, because the mean of its divisors is an integer number (2563515002664).

Almost surely, 2^{20166425303137} is an apocalyptic number.

It is an amenable number.

20166425303137 is a deficient number, since it is larger than the sum of its proper divisors (341694718175).

20166425303137 is a wasteful number, since it uses less digits than its factorization.

20166425303137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178993319.

The product of its (nonzero) digits is 544320, while the sum is 43.

Adding to 20166425303137 its reverse (73130352466102), we get a palindrome (93296777769239).

The spelling of 20166425303137 in words is "twenty trillion, one hundred sixty-six billion, four hundred twenty-five million, three hundred three thousand, one hundred thirty-seven".