180706609216 has 63 divisors (see below), whose sum is σ = 417189889647. Its totient is φ = 77435487360.

The previous prime is 180706609183. The next prime is 180706609217. The reversal of 180706609216 is 612906607081.

The square root of 180706609216 is 425096.

It is a perfect power (a square), and thus also a powerful number.

It is a super-2 number, since 2×180706609216² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (180706609217) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 23801581 + ... + 23809171.

Almost surely, 2^180706609216 is an apocalyptic number.

180706609216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

180706609216 is the 425096-th square number.

It is an amenable number.

180706609216 is an abundant number, since it is smaller than the sum of its proper divisors (236483280431).

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

180706609216 is an frugal number, since it uses more digits than its factorization.

180706609216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15208 (or 7600 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 46.

The spelling of 180706609216 in words is "one hundred eighty billion, seven hundred six million, six hundred nine thousand, two hundred sixteen".