106193819 has 4 divisors (see below), whose sum is σ = 106214544. Its totient is φ = 106173096.

The previous prime is 106193809. The next prime is 106193839. The reversal of 106193819 is 918391601.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 918391601 = 15217 ⋅60353.

It is a cyclic number.

It is not a de Polignac number, because 106193819 - 2¹² = 106189723 is a prime.

It is a super-2 number, since 2×106193819² = 22554254387609522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (106193809) 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, 3554 + ... + 15000.

It is an arithmetic number, because the mean of its divisors is an integer number (26553636).

Almost surely, 2^106193819 is an apocalyptic number.

106193819 is a deficient number, since it is larger than the sum of its proper divisors (20725).

106193819 is an equidigital number, since it uses as much as digits as its factorization.

106193819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20724.

The product of its (nonzero) digits is 11664, while the sum is 38.

The square root of 106193819 is about 10305.0385249159. The cubic root of 106193819 is about 473.5506239113.

The spelling of 106193819 in words is "one hundred six million, one hundred ninety-three thousand, eight hundred nineteen".