180888064 has 80 divisors (see below), whose sum is σ = 423472896. Its totient is φ = 75571200.

The previous prime is 180888053. The next prime is 180888073. The reversal of 180888064 is 460888081.

It is a self number, because there is not a number n which added to its sum of digits gives 180888064.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 146329 + ... + 147559.

Almost surely, 2^180888064 is an apocalyptic number.

180888064 is a gapful number since it is divisible by the number (14) 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 180888064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (211736448).

180888064 is an abundant number, since it is smaller than the sum of its proper divisors (242584832).

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

180888064 is an equidigital number, since it uses as much as digits as its factorization.

180888064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1297 (or 1281 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 43.

The square root of 180888064 is about 13449.4633350182. The cubic root of 180888064 is about 565.5486502320.

The spelling of 180888064 in words is "one hundred eighty million, eight hundred eighty-eight thousand, sixty-four".