190211666331 has 8 divisors (see below), whose sum is σ = 255942303760. Its totient is φ = 125644403232.

The previous prime is 190211666297. The next prime is 190211666341. The reversal of 190211666331 is 133666112091.

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

It is not a de Polignac number, because 190211666331 - 2¹¹ = 190211664283 is a prime.

It is a super-2 number, since 2×190211666331² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 190211666331.

It is not an unprimeable number, because it can be changed into a prime (190211666341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 290843200 + ... + 290843853.

It is an arithmetic number, because the mean of its divisors is an integer number (31992787970).

Almost surely, 2^190211666331 is an apocalyptic number.

190211666331 is a deficient number, since it is larger than the sum of its proper divisors (65730637429).

190211666331 is a wasteful number, since it uses less digits than its factorization.

190211666331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 581687165.

The product of its (nonzero) digits is 34992, while the sum is 39.

The spelling of 190211666331 in words is "one hundred ninety billion, two hundred eleven million, six hundred sixty-six thousand, three hundred thirty-one".