106645587 has 8 divisors (see below), whose sum is σ = 142257600. Its totient is φ = 71065320.

The previous prime is 106645579. The next prime is 106645603. The reversal of 106645587 is 785546601.

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

It is not a de Polignac number, because 106645587 - 2³ = 106645579 is a prime.

It is a super-2 number, since 2×106645587² = 22746562453149138, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (106645577) 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, 1512 + ... + 14682.

It is an arithmetic number, because the mean of its divisors is an integer number (17782200).

Almost surely, 2^106645587 is an apocalyptic number.

106645587 is a deficient number, since it is larger than the sum of its proper divisors (35612013).

106645587 is a wasteful number, since it uses less digits than its factorization.

106645587 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15873.

The product of its (nonzero) digits is 201600, while the sum is 42.

The square root of 106645587 is about 10326.9350244881. The cubic root of 106645587 is about 474.2211976550.

The spelling of 106645587 in words is "one hundred six million, six hundred forty-five thousand, five hundred eighty-seven".