106699619 has 4 divisors (see below), whose sum is σ = 114907296. Its totient is φ = 98491944.

The previous prime is 106699591. The next prime is 106699627. The reversal of 106699619 is 916996601.

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 106699619 - 2²⁴ = 89922403 is a prime.

It is a super-2 number, since 2×106699619² = 22769617389490322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (106699639) 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, 4103819 + ... + 4103844.

It is an arithmetic number, because the mean of its divisors is an integer number (28726824).

Almost surely, 2^106699619 is an apocalyptic number.

106699619 is a deficient number, since it is larger than the sum of its proper divisors (8207677).

106699619 is an equidigital number, since it uses as much as digits as its factorization.

106699619 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8207676.

The product of its (nonzero) digits is 157464, while the sum is 47.

The square root of 106699619 is about 10329.5507646751. The cubic root of 106699619 is about 474.3012722096.

The spelling of 106699619 in words is "one hundred six million, six hundred ninety-nine thousand, six hundred nineteen".