83405566106 has 8 divisors (see below), whose sum is σ = 125109613044. Its totient is φ = 41702361760.

The previous prime is 83405566091. The next prime is 83405566121. The reversal of 83405566106 is 60166550438.

It is an interprime number because it is at equal distance from previous prime (83405566091) and next prime (83405566121).

It can be written as a sum of positive squares in 2 ways, for example, as 77873925481 + 5531640625 = 279059^2 + 74375^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 186806 + ... + 449118.

Almost surely, 2^83405566106 is an apocalyptic number.

83405566106 is a deficient number, since it is larger than the sum of its proper divisors (41704046938).

83405566106 is a wasteful number, since it uses less digits than its factorization.

83405566106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421296.

The product of its (nonzero) digits is 518400, while the sum is 44.

The spelling of 83405566106 in words is "eighty-three billion, four hundred five million, five hundred sixty-six thousand, one hundred six".