180886073 has 2 divisors, whose sum is σ = 180886074. Its totient is φ = 180886072.

The previous prime is 180886049. The next prime is 180886129. The reversal of 180886073 is 370688081.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 96098809 + 84787264 = 9803^2 + 9208^2 .

It is a cyclic number.

It is not a de Polignac number, because 180886073 - 2⁶ = 180886009 is a prime.

It is a super-2 number, since 2×180886073² = 65439542810722658, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 180886073.

It is not a weakly prime, because it can be changed into another prime (180886873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 90443036 + 90443037.

It is an arithmetic number, because the mean of its divisors is an integer number (90443037).

Almost surely, 2^180886073 is an apocalyptic number.

It is an amenable number.

180886073 is a deficient number, since it is larger than the sum of its proper divisors (1).

180886073 is an equidigital number, since it uses as much as digits as its factorization.

180886073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64512, while the sum is 41.

The square root of 180886073 is about 13449.3893169913. The cubic root of 180886073 is about 565.5465752628.

The spelling of 180886073 in words is "one hundred eighty million, eight hundred eighty-six thousand, seventy-three".