211660044352 has 56 divisors (see below), whose sum is σ = 439834885632. Its totient is φ = 100868275200.

The previous prime is 211660044347. The next prime is 211660044371. The reversal of 211660044352 is 253440066112.

211660044352 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

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 7 ways as a sum of consecutive naturals, for example, 157777 + ... + 669487.

Almost surely, 2^211660044352 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 211660044352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (219917442816).

211660044352 is an abundant number, since it is smaller than the sum of its proper divisors (228174841280).

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

211660044352 is a wasteful number, since it uses less digits than its factorization.

211660044352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 512027 (or 512017 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 34.

The spelling of 211660044352 in words is "two hundred eleven billion, six hundred sixty million, forty-four thousand, three hundred fifty-two".