210087445668 has 36 divisors (see below), whose sum is σ = 497205708720. Its totient is φ = 69042802640.

The previous prime is 210087445643. The next prime is 210087445703. The reversal of 210087445668 is 866544780012.

It is a self number, because there is not a number n which added to its sum of digits gives 210087445668.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1675998 + ... + 1796981.

Almost surely, 2^210087445668 is an apocalyptic number.

It is an amenable number.

210087445668 is an abundant number, since it is smaller than the sum of its proper divisors (287118263052).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

210087445668 is a wasteful number, since it uses less digits than its factorization.

210087445668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3473128 (or 3473055 counting only the distinct ones).

The product of its (nonzero) digits is 2580480, while the sum is 51.

The spelling of 210087445668 in words is "two hundred ten billion, eighty-seven million, four hundred forty-five thousand, six hundred sixty-eight".