210407840161 has 8 divisors (see below), whose sum is σ = 213982799040. Its totient is φ = 206833172208.

The previous prime is 210407840147. The next prime is 210407840219. The reversal of 210407840161 is 161048704012.

It is a happy number.

210407840161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 210407840161 - 2²⁹ = 209870969249 is a prime.

It is a super-3 number, since 3×210407840161³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210407840561) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1785900 + ... + 1900066.

It is an arithmetic number, because the mean of its divisors is an integer number (26747849880).

Almost surely, 2^210407840161 is an apocalyptic number.

It is an amenable number.

210407840161 is a deficient number, since it is larger than the sum of its proper divisors (3574958879).

210407840161 is a wasteful number, since it uses less digits than its factorization.

210407840161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145463.

The product of its (nonzero) digits is 10752, while the sum is 34.

The spelling of 210407840161 in words is "two hundred ten billion, four hundred seven million, eight hundred forty thousand, one hundred sixty-one".