211800553162 has 64 divisors (see below), whose sum is σ = 355190209920. Its totient is φ = 93914726400.

The previous prime is 211800553147. The next prime is 211800553177. The reversal of 211800553162 is 261355008112.

211800553162 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (211800553147) and next prime (211800553177).

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 31 ways as a sum of consecutive naturals, for example, 68564514 + ... + 68567602.

It is an arithmetic number, because the mean of its divisors is an integer number (5549847030).

Almost surely, 2^211800553162 is an apocalyptic number.

211800553162 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

211800553162 is a deficient number, since it is larger than the sum of its proper divisors (143389656758).

211800553162 is a wasteful number, since it uses less digits than its factorization.

211800553162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3607.

The product of its (nonzero) digits is 14400, while the sum is 34.

The spelling of 211800553162 in words is "two hundred eleven billion, eight hundred million, five hundred fifty-three thousand, one hundred sixty-two".