211896128246 has 16 divisors (see below), whose sum is σ = 346749204240. Its totient is φ = 96313620480.

The previous prime is 211896128231. The next prime is 211896128309. The reversal of 211896128246 is 642821698112.

It is a junction number, because it is equal to n+sod(n) for n = 211896128194 and 211896128203.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 762830 + ... + 1002846.

It is an arithmetic number, because the mean of its divisors is an integer number (21671825265).

Almost surely, 2^211896128246 is an apocalyptic number.

211896128246 is a deficient number, since it is larger than the sum of its proper divisors (134853075994).

211896128246 is a wasteful number, since it uses less digits than its factorization.

211896128246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280159.

The product of its digits is 663552, while the sum is 50.

The spelling of 211896128246 in words is "two hundred eleven billion, eight hundred ninety-six million, one hundred twenty-eight thousand, two hundred forty-six".