211603064364 has 96 divisors (see below), whose sum is σ = 557233474560. Its totient is φ = 69426092736.

The previous prime is 211603064363. The next prime is 211603064401. The reversal of 211603064364 is 463460306112.

211603064364 is a `hidden beast` number, since 2 + 1 + 1 + 6 + 0 + 3 + 0 + 643 + 6 + 4 = 666.

211603064364 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (211603064363) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9591154 + ... + 9613190.

It is an arithmetic number, because the mean of its divisors is an integer number (5804515360).

Almost surely, 2^211603064364 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 211603064364, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (278616737280).

211603064364 is an abundant number, since it is smaller than the sum of its proper divisors (345630410196).

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

211603064364 is a wasteful number, since it uses less digits than its factorization.

211603064364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23444 (or 23436 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 36.

The spelling of 211603064364 in words is "two hundred eleven billion, six hundred three million, sixty-four thousand, three hundred sixty-four".