211068645 has 16 divisors (see below), whose sum is σ = 341986560. Its totient is φ = 111144384.

The previous prime is 211068643. The next prime is 211068647. The reversal of 211068645 is 546860112.

211068645 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 (211068643) and next prime (211068647).

It is not a de Polignac number, because 211068645 - 2¹ = 211068643 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211068643) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87874 + ... + 90243.

It is an arithmetic number, because the mean of its divisors is an integer number (21374160).

Almost surely, 2^211068645 is an apocalyptic number.

It is an amenable number.

211068645 is a deficient number, since it is larger than the sum of its proper divisors (130917915).

211068645 is a wasteful number, since it uses less digits than its factorization.

211068645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178204.

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 211068645 is about 14528.2017125314. The cubic root of 211068645 is about 595.3987346850.

The spelling of 211068645 in words is "two hundred eleven million, sixty-eight thousand, six hundred forty-five".