190079218 has 16 divisors (see below), whose sum is σ = 326458944. Its totient is φ = 81310320.

The previous prime is 190079207. The next prime is 190079243. The reversal of 190079218 is 812970091.

It is a super-2 number, since 2×190079218² = 72260218230983048, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4753 + ... + 20068.

It is an arithmetic number, because the mean of its divisors is an integer number (20403684).

Almost surely, 2^190079218 is an apocalyptic number.

190079218 is a deficient number, since it is larger than the sum of its proper divisors (136379726).

190079218 is a wasteful number, since it uses less digits than its factorization.

190079218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25377.

The product of its (nonzero) digits is 9072, while the sum is 37.

The square root of 190079218 is about 13786.9219915107. The cubic root of 190079218 is about 574.9695943594.

It can be divided in two parts, 1900 and 79218, that added together give a palindrome (81118).

The spelling of 190079218 in words is "one hundred ninety million, seventy-nine thousand, two hundred eighteen".