180180061 has 8 divisors (see below), whose sum is σ = 182420064. Its totient is φ = 177949200.

The previous prime is 180180053. The next prime is 180180073. The reversal of 180180061 is 160081081.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 180180061 - 2³ = 180180053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (180180461) 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, 42730 + ... + 46756.

It is an arithmetic number, because the mean of its divisors is an integer number (22802508).

Almost surely, 2^180180061 is an apocalyptic number.

It is an amenable number.

180180061 is a deficient number, since it is larger than the sum of its proper divisors (2240003).

180180061 is a wasteful number, since it uses less digits than its factorization.

180180061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4571.

The product of its (nonzero) digits is 384, while the sum is 25.

The square root of 180180061 is about 13423.1166649180. The cubic root of 180180061 is about 564.8098255723.

The spelling of 180180061 in words is "one hundred eighty million, one hundred eighty thousand, sixty-one".