190216855 has 8 divisors (see below), whose sum is σ = 230280912. Its totient is φ = 150826368.

The previous prime is 190216853. The next prime is 190216861. The reversal of 190216855 is 558612091.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 190216855 - 2¹ = 190216853 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190216853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 167769 + ... + 168898.

It is an arithmetic number, because the mean of its divisors is an integer number (28785114).

Almost surely, 2^190216855 is an apocalyptic number.

190216855 is a deficient number, since it is larger than the sum of its proper divisors (40064057).

190216855 is a wasteful number, since it uses less digits than its factorization.

190216855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336785.

The product of its (nonzero) digits is 21600, while the sum is 37.

The square root of 190216855 is about 13791.9126664868. The cubic root of 190216855 is about 575.1083400141.

The spelling of 190216855 in words is "one hundred ninety million, two hundred sixteen thousand, eight hundred fifty-five".