190221323975 has 6 divisors (see below), whose sum is σ = 235874441760. Its totient is φ = 152177059160.

The previous prime is 190221323947. The next prime is 190221324001. The reversal of 190221323975 is 579323122091.

It is a de Polignac number, because none of the positive numbers 2^k-190221323975 is a prime.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 3804426455 + ... + 3804426504.

It is an arithmetic number, because the mean of its divisors is an integer number (39312406960).

Almost surely, 2^190221323975 is an apocalyptic number.

190221323975 is a deficient number, since it is larger than the sum of its proper divisors (45653117785).

190221323975 is an equidigital number, since it uses as much as digits as its factorization.

190221323975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7608852969 (or 7608852964 counting only the distinct ones).

The product of its (nonzero) digits is 204120, while the sum is 44.

The spelling of 190221323975 in words is "one hundred ninety billion, two hundred twenty-one million, three hundred twenty-three thousand, nine hundred seventy-five".