107666438 has 16 divisors (see below), whose sum is σ = 178307136. Its totient is φ = 48348840.

The previous prime is 107666437. The next prime is 107666467. The reversal of 107666438 is 834666701.

It is a junction number, because it is equal to n+sod(n) for n = 107666395 and 107666404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (107666437) 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 7 ways as a sum of consecutive naturals, for example, 27656 + ... + 31307.

It is an arithmetic number, because the mean of its divisors is an integer number (11144196).

Almost surely, 2^107666438 is an apocalyptic number.

107666438 is a deficient number, since it is larger than the sum of its proper divisors (70640698).

107666438 is a wasteful number, since it uses less digits than its factorization.

107666438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59059.

The product of its (nonzero) digits is 145152, while the sum is 41.

The square root of 107666438 is about 10376.2439254289. The cubic root of 107666438 is about 475.7295352846.

The spelling of 107666438 in words is "one hundred seven million, six hundred sixty-six thousand, four hundred thirty-eight".