106618386 has 128 divisors (see below), whose sum is σ = 276664320. Its totient is φ = 26687232.

The previous prime is 106618381. The next prime is 106618403. The reversal of 106618386 is 683816601.

It is a super-2 number, since 2×106618386² = 22734960466489992, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (106618381) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 679020 + ... + 679176.

It is an arithmetic number, because the mean of its divisors is an integer number (2161440).

Almost surely, 2^106618386 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 106618386, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (138332160).

106618386 is an abundant number, since it is smaller than the sum of its proper divisors (170045934).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

106618386 is a wasteful number, since it uses less digits than its factorization.

106618386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248.

The product of its (nonzero) digits is 41472, while the sum is 39.

The square root of 106618386 is about 10325.6179476097. The cubic root of 106618386 is about 474.1808759751.

The spelling of 106618386 in words is "one hundred six million, six hundred eighteen thousand, three hundred eighty-six".