201610426 has 8 divisors (see below), whose sum is σ = 305533620. Its totient is φ = 99765888.

The previous prime is 201610421. The next prime is 201610427. The reversal of 201610426 is 624016102.

It can be written as a sum of positive squares in 2 ways, for example, as 198838201 + 2772225 = 14101^2 + 1665^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 201610397 and 201610406.

It is not an unprimeable number, because it can be changed into a prime (201610421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 519421 + ... + 519808.

Almost surely, 2^201610426 is an apocalyptic number.

201610426 is a deficient number, since it is larger than the sum of its proper divisors (103923194).

201610426 is a wasteful number, since it uses less digits than its factorization.

201610426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1039328.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 201610426 is about 14198.9586237865. The cubic root of 201610426 is about 586.3689914751.

Adding to 201610426 its reverse (624016102), we get a palindrome (825626528).

The spelling of 201610426 in words is "two hundred one million, six hundred ten thousand, four hundred twenty-six".