106198619 has 6 divisors (see below), whose sum is σ = 112082580. Its totient is φ = 100608876.

The previous prime is 106198601. The next prime is 106198639. The reversal of 106198619 is 916891601.

It is a happy number.

It is not a de Polignac number, because 106198619 - 2¹² = 106194523 is a prime.

It is a super-2 number, since 2×106198619² = 22556293355014322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (106198639) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 146729 + ... + 147450.

It is an arithmetic number, because the mean of its divisors is an integer number (18680430).

Almost surely, 2^106198619 is an apocalyptic number.

106198619 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

106198619 is a deficient number, since it is larger than the sum of its proper divisors (5883961).

106198619 is an equidigital number, since it uses as much as digits as its factorization.

106198619 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294217 (or 294198 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 41.

The square root of 106198619 is about 10305.2714180656. The cubic root of 106198619 is about 473.5577586917.

The spelling of 106198619 in words is "one hundred six million, one hundred ninety-eight thousand, six hundred nineteen".