180001628 has 6 divisors (see below), whose sum is σ = 315002856. Its totient is φ = 90000812.

The previous prime is 180001589. The next prime is 180001711. The reversal of 180001628 is 826100081.

180001628 is digitally balanced in base 3 and base 9, because in such bases it contains all the possibile digits an equal number of times.

180001628 is a modest number, since divided by 1628 gives 180 as remainder.

180001628 is strictly pandigital in base 9.

It is a junction number, because it is equal to n+sod(n) for n = 180001597 and 180001606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22500200 + ... + 22500207.

It is an arithmetic number, because the mean of its divisors is an integer number (52500476).

Almost surely, 2^180001628 is an apocalyptic number.

It is an amenable number.

180001628 is a deficient number, since it is larger than the sum of its proper divisors (135001228).

180001628 is a wasteful number, since it uses less digits than its factorization.

180001628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45000411 (or 45000409 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 26.

The square root of 180001628 is about 13416.4685368393. The cubic root of 180001628 is about 564.6233195531.

The spelling of 180001628 in words is "one hundred eighty million, one thousand, six hundred twenty-eight".