106631818 has 16 divisors (see below), whose sum is σ = 167351040. Its totient is φ = 50860656.

The previous prime is 106631801. The next prime is 106631827. The reversal of 106631818 is 818136601.

It is a super-2 number, since 2×106631818² = 22740689219970248, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15343 + ... + 21181.

It is an arithmetic number, because the mean of its divisors is an integer number (10459440).

Almost surely, 2^106631818 is an apocalyptic number.

106631818 is a deficient number, since it is larger than the sum of its proper divisors (60719222).

106631818 is a wasteful number, since it uses less digits than its factorization.

106631818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6261.

The product of its (nonzero) digits is 6912, while the sum is 34.

The square root of 106631818 is about 10326.2683482466. The cubic root of 106631818 is about 474.2007878944.

The spelling of 106631818 in words is "one hundred six million, six hundred thirty-one thousand, eight hundred eighteen".