210422630161 has 8 divisors (see below), whose sum is σ = 220513812480. Its totient is φ = 200409978912.

The previous prime is 210422630137. The next prime is 210422630183. The reversal of 210422630161 is 161036224012.

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

It is not a de Polignac number, because 210422630161 - 2²³ = 210414241553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210422630101) 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, 19627281 + ... + 19637998.

It is an arithmetic number, because the mean of its divisors is an integer number (27564226560).

Almost surely, 2^210422630161 is an apocalyptic number.

It is an amenable number.

210422630161 is a deficient number, since it is larger than the sum of its proper divisors (10091182319).

210422630161 is a wasteful number, since it uses less digits than its factorization.

210422630161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39265535.

The product of its (nonzero) digits is 3456, while the sum is 28.

Adding to 210422630161 its reverse (161036224012), we get a palindrome (371458854173).

The spelling of 210422630161 in words is "two hundred ten billion, four hundred twenty-two million, six hundred thirty thousand, one hundred sixty-one".