18090803610 has 384 divisors, whose sum is σ = 54948741120. Its totient is φ = 4089139200.

The previous prime is 18090803603. The next prime is 18090803629. The reversal of 18090803610 is 1630809081.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 175638819 + ... + 175638921.

It is an arithmetic number, because the mean of its divisors is an integer number (143095680).

Almost surely, 2^18090803610 is an apocalyptic number.

18090803610 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 18090803610, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27474370560).

18090803610 is an abundant number, since it is smaller than the sum of its proper divisors (36857937510).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18090803610 is a wasteful number, since it uses less digits than its factorization.

18090803610 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314 (or 311 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The spelling of 18090803610 in words is "eighteen billion, ninety million, eight hundred three thousand, six hundred ten".