106655990 has 32 divisors (see below), whose sum is σ = 219841344. Its totient is φ = 36495360.

The previous prime is 106655971. The next prime is 106656023. The reversal of 106655990 is 99556601.

It is a super-2 number, since 2×106655990² = 22751000405760200, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43682 + ... + 46058.

It is an arithmetic number, because the mean of its divisors is an integer number (6870042).

Almost surely, 2^106655990 is an apocalyptic number.

106655990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

106655990 is an abundant number, since it is smaller than the sum of its proper divisors (113185354).

106655990 is a wasteful number, since it uses less digits than its factorization.

106655990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3032.

The product of its (nonzero) digits is 72900, while the sum is 41.

The square root of 106655990 is about 10327.4386950492. The cubic root of 106655990 is about 474.2366168356.

The spelling of 106655990 in words is "one hundred six million, six hundred fifty-five thousand, nine hundred ninety".