190108885 has 8 divisors (see below), whose sum is σ = 228412800. Its totient is φ = 151899024.

The previous prime is 190108871. The next prime is 190108901. The reversal of 190108885 is 588801091.

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 190108885 - 2¹³ = 190100693 is a prime.

It is a super-2 number, since 2×190108885² = 72282776311886450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18985 + ... + 27214.

It is an arithmetic number, because the mean of its divisors is an integer number (28551600).

Almost surely, 2^190108885 is an apocalyptic number.

It is an amenable number.

190108885 is a deficient number, since it is larger than the sum of its proper divisors (38303915).

190108885 is an equidigital number, since it uses as much as digits as its factorization.

190108885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47027.

The product of its (nonzero) digits is 23040, while the sum is 40.

The square root of 190108885 is about 13787.9978604582. The cubic root of 190108885 is about 574.9995059857. Note that the first 3 decimals are identical.

The spelling of 190108885 in words is "one hundred ninety million, one hundred eight thousand, eight hundred eighty-five".