180169868 has 6 divisors (see below), whose sum is σ = 315297276. Its totient is φ = 90084932.

The previous prime is 180169841. The next prime is 180169877. The reversal of 180169868 is 868961081.

180169868 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×180169868² = 64922362670274848, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22521230 + ... + 22521237.

It is an arithmetic number, because the mean of its divisors is an integer number (52549546).

Almost surely, 2^180169868 is an apocalyptic number.

It is an amenable number.

180169868 is a deficient number, since it is larger than the sum of its proper divisors (135127408).

180169868 is a wasteful number, since it uses less digits than its factorization.

180169868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45042471 (or 45042469 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 47.

The square root of 180169868 is about 13422.7369787238. The cubic root of 180169868 is about 564.7991747173.

The spelling of 180169868 in words is "one hundred eighty million, one hundred sixty-nine thousand, eight hundred sixty-eight".