210663104210 has 16 divisors (see below), whose sum is σ = 408362325336. Its totient is φ = 77783299968.

The previous prime is 210663104189. The next prime is 210663104227. The reversal of 210663104210 is 12401366012.

It can be written as a sum of positive squares in 4 ways, for example, as 122604322201 + 88058782009 = 350149^2 + 296747^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a self number, because there is not a number n which added to its sum of digits gives 210663104210.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 810242579 + ... + 810242838.

Almost surely, 2^210663104210 is an apocalyptic number.

210663104210 is a deficient number, since it is larger than the sum of its proper divisors (197699221126).

210663104210 is a wasteful number, since it uses less digits than its factorization.

210663104210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1620485437.

The product of its (nonzero) digits is 1728, while the sum is 26.

The spelling of 210663104210 in words is "two hundred ten billion, six hundred sixty-three million, one hundred four thousand, two hundred ten".