106653091 has 4 divisors (see below), whose sum is σ = 107938152. Its totient is φ = 105368032.

The previous prime is 106653077. The next prime is 106653103. The reversal of 106653091 is 190356601.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 106653091 - 2⁷ = 106652963 is a prime.

It is a super-2 number, since 2×106653091² = 22749763639708562, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (106653991) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 642406 + ... + 642571.

It is an arithmetic number, because the mean of its divisors is an integer number (26984538).

Almost surely, 2^106653091 is an apocalyptic number.

106653091 is a deficient number, since it is larger than the sum of its proper divisors (1285061).

106653091 is an equidigital number, since it uses as much as digits as its factorization.

106653091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1285060.

The product of its (nonzero) digits is 4860, while the sum is 31.

The square root of 106653091 is about 10327.2983398370. The cubic root of 106653091 is about 474.2323200793.

The spelling of 106653091 in words is "one hundred six million, six hundred fifty-three thousand, ninety-one".