16616101226 has 8 divisors (see below), whose sum is σ = 25032991620. Its totient is φ = 8271770688.

The previous prime is 16616101211. The next prime is 16616101231. The reversal of 16616101226 is 62210161661.

It can be written as a sum of positive squares in 2 ways, for example, as 13193968225 + 3422133001 = 114865^2 + 58499^2 .

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 = 16616101192 and 16616101201.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18139391 + ... + 18140306.

Almost surely, 2^16616101226 is an apocalyptic number.

16616101226 is a deficient number, since it is larger than the sum of its proper divisors (8416890394).

16616101226 is a wasteful number, since it uses less digits than its factorization.

16616101226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36279928.

The product of its (nonzero) digits is 5184, while the sum is 32.

Adding to 16616101226 its reverse (62210161661), we get a palindrome (78826262887).

The spelling of 16616101226 in words is "sixteen billion, six hundred sixteen million, one hundred one thousand, two hundred twenty-six".