211166622040 has 96 divisors (see below), whose sum is σ = 541834045200. Its totient is φ = 73449178880.

The previous prime is 211166622013. The next prime is 211166622047. The reversal of 211166622040 is 40226661112.

It is a happy number.

211166622040 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 211166621993 and 211166622011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211166622047) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 220855 + ... + 686374.

Almost surely, 2^211166622040 is an apocalyptic number.

211166622040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211166622040 is an abundant number, since it is smaller than the sum of its proper divisors (330667423160).

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

211166622040 is a wasteful number, since it uses less digits than its factorization.

211166622040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 907297 (or 907270 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 31.

The spelling of 211166622040 in words is "two hundred eleven billion, one hundred sixty-six million, six hundred twenty-two thousand, forty".