190885011965 has 8 divisors (see below), whose sum is σ = 229139131488. Its totient is φ = 152656598160.

The previous prime is 190885011893. The next prime is 190885011979. The reversal of 190885011965 is 569110588091.

It is a happy number.

190885011965 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 190885011965 - 2¹⁶ = 190884946429 is a prime.

It is a super-2 number, since 2×190885011965² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 6410087 + ... + 6439796.

It is an arithmetic number, because the mean of its divisors is an integer number (28642391436).

Almost surely, 2^190885011965 is an apocalyptic number.

It is an amenable number.

190885011965 is a deficient number, since it is larger than the sum of its proper divisors (38254119523).

190885011965 is a wasteful number, since it uses less digits than its factorization.

190885011965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12852859.

The product of its (nonzero) digits is 777600, while the sum is 53.

The spelling of 190885011965 in words is "one hundred ninety billion, eight hundred eighty-five million, eleven thousand, nine hundred sixty-five".