180106881 has 8 divisors (see below), whose sum is σ = 244212960. Its totient is φ = 118036032.

The previous prime is 180106853. The next prime is 180106889. The reversal of 180106881 is 188601081.

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

It is not a de Polignac number, because 180106881 - 2⁷ = 180106753 is a prime.

It is a super-2 number, since 2×180106881² = 64876977167096322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (180106889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 508600 + ... + 508953.

It is an arithmetic number, because the mean of its divisors is an integer number (30526620).

Almost surely, 2^180106881 is an apocalyptic number.

It is an amenable number.

180106881 is a deficient number, since it is larger than the sum of its proper divisors (64106079).

180106881 is a wasteful number, since it uses less digits than its factorization.

180106881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1017615.

The product of its (nonzero) digits is 3072, while the sum is 33.

The square root of 180106881 is about 13420.3904935736. The cubic root of 180106881 is about 564.7333495186.

The spelling of 180106881 in words is "one hundred eighty million, one hundred six thousand, eight hundred eighty-one".