180618080 has 48 divisors (see below), whose sum is σ = 445271904. Its totient is φ = 69104640.

The previous prime is 180618077. The next prime is 180618083. The reversal of 180618080 is 80816081.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (180618077) and next prime (180618083).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (180618083) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20861 + ... + 28220.

It is an arithmetic number, because the mean of its divisors is an integer number (9276498).

Almost surely, 2^180618080 is an apocalyptic number.

180618080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

180618080 is an abundant number, since it is smaller than the sum of its proper divisors (264653824).

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

180618080 is a wasteful number, since it uses less digits than its factorization.

180618080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49119 (or 49111 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 32.

The square root of 180618080 is about 13439.4226066450. The cubic root of 180618080 is about 565.2671407509.

The spelling of 180618080 in words is "one hundred eighty million, six hundred eighteen thousand, eighty".