1721416106 has 8 divisors (see below), whose sum is σ = 2611137060. Its totient is φ = 851037088.

The previous prime is 1721416091. The next prime is 1721416121. The reversal of 1721416106 is 6016141271.

It is an interprime number because it is at equal distance from previous prime (1721416091) and next prime (1721416121).

It can be written as a sum of positive squares in 2 ways, for example, as 1721005225 + 410881 = 41485^2 + 641^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4835261 + ... + 4835616.

Almost surely, 2^1721416106 is an apocalyptic number.

1721416106 is a deficient number, since it is larger than the sum of its proper divisors (889720954).

1721416106 is an equidigital number, since it uses as much as digits as its factorization.

1721416106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9670968.

The product of its (nonzero) digits is 2016, while the sum is 29.

The square root of 1721416106 is about 41489.9518678921. The cubic root of 1721416106 is about 1198.4740107495.

Adding to 1721416106 its reverse (6016141271), we get a palindrome (7737557377).

The spelling of 1721416106 in words is "one billion, seven hundred twenty-one million, four hundred sixteen thousand, one hundred six".