16363712137 has 4 divisors (see below), whose sum is σ = 16365904660. Its totient is φ = 16361519616.

The previous prime is 16363712119. The next prime is 16363712159. The reversal of 16363712137 is 73121736361.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 73121736361 = 547 ⋅133677763.

It can be written as a sum of positive squares in 2 ways, for example, as 11453066361 + 4910645776 = 107019^2 + 70076^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16363712137 is a prime.

It is a super-2 number, since 2×16363712137² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16363712137.

It is not an unprimeable number, because it can be changed into a prime (16363712107) 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, 1085028 + ... + 1100005.

It is an arithmetic number, because the mean of its divisors is an integer number (4091476165).

Almost surely, 2^16363712137 is an apocalyptic number.

It is an amenable number.

16363712137 is a deficient number, since it is larger than the sum of its proper divisors (2192523).

16363712137 is an equidigital number, since it uses as much as digits as its factorization.

16363712137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2192522.

The product of its digits is 95256, while the sum is 40.

The spelling of 16363712137 in words is "sixteen billion, three hundred sixty-three million, seven hundred twelve thousand, one hundred thirty-seven".