102816589090 has 8 divisors (see below), whose sum is σ = 185069860380. Its totient is φ = 41126635632.

The previous prime is 102816589039. The next prime is 102816589147. The reversal of 102816589090 is 90985618201.

It can be written as a sum of positive squares in 2 ways, for example, as 102327692769 + 488896321 = 319887^2 + 22111^2 .

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

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 3 ways as a sum of consecutive naturals, for example, 5140829445 + ... + 5140829464.

Almost surely, 2^102816589090 is an apocalyptic number.

102816589090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102816589090 is a deficient number, since it is larger than the sum of its proper divisors (82253271290).

102816589090 is a wasteful number, since it uses less digits than its factorization.

102816589090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10281658916.

The product of its (nonzero) digits is 311040, while the sum is 49.

The spelling of 102816589090 in words is "one hundred two billion, eight hundred sixteen million, five hundred eighty-nine thousand, ninety".