180285746056385 has 8 divisors (see below), whose sum is σ = 218257434164520. Its totient is φ = 142952237580544.

The previous prime is 180285746056337. The next prime is 180285746056387. The reversal of 180285746056385 is 583650647582081.

It can be written as a sum of positive squares in 4 ways, for example, as 2180279636929 + 178105466419456 = 1476577^2 + 13345616^2 .

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 180285746056385 - 2⁶ = 180285746056321 is a prime.

It is a super-2 number, since 2×180285746056385² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (180285746056387) 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, 159544907450 + ... + 159544908579.

It is an arithmetic number, because the mean of its divisors is an integer number (27282179270565).

Almost surely, 2^{180285746056385} is an apocalyptic number.

It is an amenable number.

180285746056385 is a deficient number, since it is larger than the sum of its proper divisors (37971688108135).

180285746056385 is a wasteful number, since it uses less digits than its factorization.

180285746056385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319089816147.

The product of its (nonzero) digits is 387072000, while the sum is 68.

The spelling of 180285746056385 in words is "one hundred eighty trillion, two hundred eighty-five billion, seven hundred forty-six million, fifty-six thousand, three hundred eighty-five".