106690546 has 4 divisors (see below), whose sum is σ = 160035822. Its totient is φ = 53345272.

The previous prime is 106690543. The next prime is 106690547. The reversal of 106690546 is 645096601.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 645096601 = 2843 ⋅226907.

It can be written as a sum of positive squares in only one way, i.e., 69906321 + 36784225 = 8361^2 + 6065^2 .

It is a super-3 number, since 3×106690546³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (106690543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26672635 + ... + 26672638.

Almost surely, 2^106690546 is an apocalyptic number.

106690546 is a deficient number, since it is larger than the sum of its proper divisors (53345276).

106690546 is an equidigital number, since it uses as much as digits as its factorization.

106690546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53345275.

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 106690546 is about 10329.1115784466. Note that the first 3 decimals coincide. The cubic root of 106690546 is about 474.2878280584.

The spelling of 106690546 in words is "one hundred six million, six hundred ninety thousand, five hundred forty-six".