106645685444 has 12 divisors (see below), whose sum is σ = 186641097468. Its totient is φ = 53319657600.

The previous prime is 106645685411. The next prime is 106645685449. The reversal of 106645685444 is 444586546601.

106645685444 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 75867193600 + 30778491844 = 275440^2 + 175438^2 .

It is a super-2 number, since 2×106645685444² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (106645685449) 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 in 3 ways as a sum of consecutive naturals, for example, 720137 + ... + 855504.

It is an arithmetic number, because the mean of its divisors is an integer number (15553424789).

Almost surely, 2^106645685444 is an apocalyptic number.

It is an amenable number.

106645685444 is a deficient number, since it is larger than the sum of its proper divisors (79995412024).

106645685444 is a wasteful number, since it uses less digits than its factorization.

106645685444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1592566 (or 1592564 counting only the distinct ones).

The product of its (nonzero) digits is 11059200, while the sum is 53.

The spelling of 106645685444 in words is "one hundred six billion, six hundred forty-five million, six hundred eighty-five thousand, four hundred forty-four".