192103898985 has 12 divisors (see below), whose sum is σ = 332980091652. Its totient is φ = 102455412768.

The previous prime is 192103898971. The next prime is 192103899007. The reversal of 192103898985 is 589898301291.

192103898985 is a `hidden beast` number, since 1 + 92 + 10 + 389 + 89 + 85 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 24268654656 + 167835244329 = 155784^2 + 409677^2 .

It is not a de Polignac number, because 192103898985 - 2⁴ = 192103898969 is a prime.

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2134487722 + ... + 2134487811.

It is an arithmetic number, because the mean of its divisors is an integer number (27748340971).

Almost surely, 2^192103898985 is an apocalyptic number.

192103898985 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

192103898985 is a deficient number, since it is larger than the sum of its proper divisors (140876192667).

192103898985 is a wasteful number, since it uses less digits than its factorization.

192103898985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4268975544 (or 4268975541 counting only the distinct ones).

The product of its (nonzero) digits is 11197440, while the sum is 63.

The spelling of 192103898985 in words is "one hundred ninety-two billion, one hundred three million, eight hundred ninety-eight thousand, nine hundred eighty-five".