22150161637 has 2 divisors, whose sum is σ = 22150161638. Its totient is φ = 22150161636.

The previous prime is 22150161623. The next prime is 22150161701. The reversal of 22150161637 is 73616105122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19622686561 + 2527475076 = 140081^2 + 50274^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22150161637 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22150461637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11075080818 + 11075080819.

It is an arithmetic number, because the mean of its divisors is an integer number (11075080819).

Almost surely, 2^22150161637 is an apocalyptic number.

It is an amenable number.

22150161637 is a deficient number, since it is larger than the sum of its proper divisors (1).

22150161637 is an equidigital number, since it uses as much as digits as its factorization.

22150161637 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15120, while the sum is 34.

Adding to 22150161637 its reverse (73616105122), we get a palindrome (95766266759).

The spelling of 22150161637 in words is "twenty-two billion, one hundred fifty million, one hundred sixty-one thousand, six hundred thirty-seven".