18708185088 has 360 divisors, whose sum is σ = 58013842432. Its totient is φ = 6019743744.

The previous prime is 18708185087. The next prime is 18708185101. The reversal of 18708185088 is 88058180781.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (18708185087) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 147308481 + ... + 147308607.

Almost surely, 2^18708185088 is an apocalyptic number.

18708185088 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18708185088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29006921216).

18708185088 is an abundant number, since it is smaller than the sum of its proper divisors (39305657344).

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

18708185088 is an frugal number, since it uses more digits than its factorization.

18708185088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207 (or 169 counting only the distinct ones).

The product of its (nonzero) digits is 1146880, while the sum is 54.

The spelling of 18708185088 in words is "eighteen billion, seven hundred eight million, one hundred eighty-five thousand, eighty-eight".