106806201637 has 2 divisors, whose sum is σ = 106806201638. Its totient is φ = 106806201636.

The previous prime is 106806201599. The next prime is 106806201653. The reversal of 106806201637 is 736102608601.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 62853498436 + 43952703201 = 250706^2 + 209649^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-106806201637 is a prime.

It is a super-2 number, since 2×106806201637² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 106806201637.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (106806202637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53403100818 + 53403100819.

It is an arithmetic number, because the mean of its divisors is an integer number (53403100819).

Almost surely, 2^106806201637 is an apocalyptic number.

It is an amenable number.

106806201637 is a deficient number, since it is larger than the sum of its proper divisors (1).

106806201637 is an equidigital number, since it uses as much as digits as its factorization.

106806201637 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72576, while the sum is 40.

The spelling of 106806201637 in words is "one hundred six billion, eight hundred six million, two hundred one thousand, six hundred thirty-seven".