106557419 has 4 divisors (see below), whose sum is σ = 107535120. Its totient is φ = 105579720.

The previous prime is 106557383. The next prime is 106557421. The reversal of 106557419 is 914755601.

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 106557419 - 2¹² = 106553323 is a prime.

It is a super-2 number, since 2×106557419² = 22708967087883122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (106557449) 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 in 3 ways as a sum of consecutive naturals, for example, 488687 + ... + 488904.

It is an arithmetic number, because the mean of its divisors is an integer number (26883780).

Almost surely, 2^106557419 is an apocalyptic number.

106557419 is a deficient number, since it is larger than the sum of its proper divisors (977701).

106557419 is an equidigital number, since it uses as much as digits as its factorization.

106557419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 977700.

The product of its (nonzero) digits is 37800, while the sum is 38.

The square root of 106557419 is about 10322.6653050460. The cubic root of 106557419 is about 474.0904760023.

The spelling of 106557419 in words is "one hundred six million, five hundred fifty-seven thousand, four hundred nineteen".