106690 has 16 divisors (see below), whose sum is σ = 196992. Its totient is φ = 41584.

The previous prime is 106681. The next prime is 106693. The reversal of 106690 is 96601.

It is a super-2 number, since 2×106690² = 22765512200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (106693) by changing a digit.

106690 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 357 + ... + 583.

It is an arithmetic number, because the mean of its divisors is an integer number (12312).

2¹⁰⁶⁶⁹⁰ is an apocalyptic number.

106690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

106690 is a deficient number, since it is larger than the sum of its proper divisors (90302).

106690 is a wasteful number, since it uses less digits than its factorization.

106690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281.

The product of its (nonzero) digits is 324, while the sum is 22.

The square root of 106690 is about 326.6343521432. The cubic root of 106690 is about 47.4287018985.

It can be divided in two parts, 1066 and 90, that added together give a square (1156 = 34²).

The spelling of 106690 in words is "one hundred six thousand, six hundred ninety".