210164450 has 24 divisors (see below), whose sum is σ = 404388180. Its totient is φ = 81166400.

The previous prime is 210164441. The next prime is 210164467. The reversal of 210164450 is 54461012.

210164450 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 36372961 + 173791489 = 6031^2 + 13183^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 71021 + ... + 73920.

Almost surely, 2^210164450 is an apocalyptic number.

210164450 is a deficient number, since it is larger than the sum of its proper divisors (194223730).

210164450 is a wasteful number, since it uses less digits than its factorization.

210164450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144982 (or 144977 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 210164450 is about 14497.0496998527. The cubic root of 210164450 is about 594.5473100260.

The spelling of 210164450 in words is "two hundred ten million, one hundred sixty-four thousand, four hundred fifty".