106205690 has 16 divisors (see below), whose sum is σ = 197337600. Its totient is φ = 41111760.

The previous prime is 106205689. The next prime is 106205731. The reversal of 106205690 is 96502601.

It is a super-2 number, since 2×106205690² = 22559297176752200, 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, 170990 + ... + 171609.

It is an arithmetic number, because the mean of its divisors is an integer number (12333600).

Almost surely, 2^106205690 is an apocalyptic number.

106205690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

106205690 is a deficient number, since it is larger than the sum of its proper divisors (91131910).

106205690 is a wasteful number, since it uses less digits than its factorization.

106205690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342637.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 106205690 is about 10305.6144891996. The cubic root of 106205690 is about 473.5682687235.

The spelling of 106205690 in words is "one hundred six million, two hundred five thousand, six hundred ninety".