210106440164 has 24 divisors (see below), whose sum is σ = 371450946048. Its totient is φ = 103980159360.

The previous prime is 210106440163. The next prime is 210106440179. The reversal of 210106440164 is 461044601012.

It is not an unprimeable number, because it can be changed into a prime (210106440163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8909 + ... + 648299.

It is an arithmetic number, because the mean of its divisors is an integer number (15477122752).

Almost surely, 2^210106440164 is an apocalyptic number.

It is an amenable number.

210106440164 is a deficient number, since it is larger than the sum of its proper divisors (161344505884).

210106440164 is a wasteful number, since it uses less digits than its factorization.

210106440164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 640235 (or 640233 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

The spelling of 210106440164 in words is "two hundred ten billion, one hundred six million, four hundred forty thousand, one hundred sixty-four".