164480827218 has 16 divisors (see below), whose sum is σ = 328976290080. Its totient is φ = 54824503136.

The previous prime is 164480827177. The next prime is 164480827261. The reversal of 164480827218 is 812728084461.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 460923 + ... + 735806.

It is an arithmetic number, because the mean of its divisors is an integer number (20561018130).

Almost surely, 2^164480827218 is an apocalyptic number.

164480827218 is an abundant number, since it is smaller than the sum of its proper divisors (164495462862).

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

164480827218 is a wasteful number, since it uses less digits than its factorization.

164480827218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1219641.

The product of its (nonzero) digits is 1376256, while the sum is 51.

The spelling of 164480827218 in words is "one hundred sixty-four billion, four hundred eighty million, eight hundred twenty-seven thousand, two hundred eighteen".