211770262164 has 48 divisors (see below), whose sum is σ = 495023809280. Its totient is φ = 70462586880.

The previous prime is 211770262139. The next prime is 211770262177. The reversal of 211770262164 is 461262077112.

211770262164 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23259237 + ... + 23268339.

Almost surely, 2^211770262164 is an apocalyptic number.

It is an amenable number.

211770262164 is an abundant number, since it is smaller than the sum of its proper divisors (283253547116).

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

211770262164 is a wasteful number, since it uses less digits than its factorization.

211770262164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12400 (or 12398 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 39.

The spelling of 211770262164 in words is "two hundred eleven billion, seven hundred seventy million, two hundred sixty-two thousand, one hundred sixty-four".