210106863236 has 24 divisors (see below), whose sum is σ = 371227036824. Its totient is φ = 104043430400.

The previous prime is 210106863173. The next prime is 210106863269. The reversal of 210106863236 is 632368601012.

It can be written as a sum of positive squares in 4 ways, for example, as 50937781636 + 159169081600 = 225694^2 + 398960^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 210106863236.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 409406 + ... + 766698.

It is an arithmetic number, because the mean of its divisors is an integer number (15467793201).

Almost surely, 2^210106863236 is an apocalyptic number.

It is an amenable number.

210106863236 is a deficient number, since it is larger than the sum of its proper divisors (161120173588).

210106863236 is a wasteful number, since it uses less digits than its factorization.

210106863236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358711 (or 358709 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 38.

The spelling of 210106863236 in words is "two hundred ten billion, one hundred six million, eight hundred sixty-three thousand, two hundred thirty-six".