67030398180 has 84 divisors (see below), whose sum is σ = 211049254332. Its totient is φ = 17874768960.

The previous prime is 67030398157. The next prime is 67030398181. The reversal of 67030398180 is 8189303076.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 45819971136 + 21210427044 = 214056^2 + 145638^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (67030398181) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 2284131 + ... + 2313290.

It is an arithmetic number, because the mean of its divisors is an integer number (2512491123).

Almost surely, 2^67030398180 is an apocalyptic number.

67030398180 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

67030398180 is an abundant number, since it is smaller than the sum of its proper divisors (144018856152).

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

67030398180 is a wasteful number, since it uses less digits than its factorization.

67030398180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4597448 (or 4597431 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The spelling of 67030398180 in words is "sixty-seven billion, thirty million, three hundred ninety-eight thousand, one hundred eighty".