210018064 has 15 divisors (see below), whose sum is σ = 407022343. Its totient is φ = 104980048.

The previous prime is 210018049. The next prime is 210018089. The reversal of 210018064 is 460810012.

The square root of 210018064 is 14492.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 56157 + ... + 59779.

Almost surely, 2^210018064 is an apocalyptic number.

210018064 is the 14492-nd square number.

It is an amenable number.

210018064 is a deficient number, since it is larger than the sum of its proper divisors (197004279).

210018064 is an frugal number, since it uses more digits than its factorization.

210018064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7254 (or 3625 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 22.

The cubic root of 210018064 is about 594.4092378045.

Adding to 210018064 its reverse (460810012), we get a palindrome (670828076).

It can be divided in two parts, 2100 and 18064, that added together give a square (20164 = 142²).

The spelling of 210018064 in words is "two hundred ten million, eighteen thousand, sixty-four".