106185391322 has 16 divisors (see below), whose sum is σ = 165237238440. Its totient is φ = 51116685312.

The previous prime is 106185391309. The next prime is 106185391327. The reversal of 106185391322 is 223193581601.

It is a Cunningham number, because it is equal to 325861²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 55681368961 + 50504022361 = 235969^2 + 224731^2 .

It is a super-2 number, since 2×106185391322² (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 106185391322.

It is not an unprimeable number, because it can be changed into a prime (106185391327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2572703 + ... + 2613650.

Almost surely, 2^106185391322 is an apocalyptic number.

106185391322 is a deficient number, since it is larger than the sum of its proper divisors (59051847118).

106185391322 is a wasteful number, since it uses less digits than its factorization.

106185391322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5186737.

The product of its (nonzero) digits is 77760, while the sum is 41.

The spelling of 106185391322 in words is "one hundred six billion, one hundred eighty-five million, three hundred ninety-one thousand, three hundred twenty-two".