20137416116737 has 4 divisors (see below), whose sum is σ = 20147748297300. Its totient is φ = 20127083936176.

The previous prime is 20137416116729. The next prime is 20137416116767. The reversal of 20137416116737 is 73761161473102.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5636559732736 + 14500856384001 = 2374144^2 + 3807999^2 .

It is a cyclic number.

It is not a de Polignac number, because 20137416116737 - 2³ = 20137416116729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20137416116707) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5166087358 + ... + 5166091255.

It is an arithmetic number, because the mean of its divisors is an integer number (5036937074325).

Almost surely, 2^{20137416116737} is an apocalyptic number.

It is an amenable number.

20137416116737 is a deficient number, since it is larger than the sum of its proper divisors (10332180563).

20137416116737 is a wasteful number, since it uses less digits than its factorization.

20137416116737 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10332180562.

The product of its (nonzero) digits is 889056, while the sum is 49.

Adding to 20137416116737 its reverse (73761161473102), we get a palindrome (93898577589839).

The spelling of 20137416116737 in words is "twenty trillion, one hundred thirty-seven billion, four hundred sixteen million, one hundred sixteen thousand, seven hundred thirty-seven".