163616336426 has 16 divisors (see below), whose sum is σ = 260429889096. Its totient is φ = 76827434496.

The previous prime is 163616336417. The next prime is 163616336431. The reversal of 163616336426 is 624633616361.

It can be written as a sum of positive squares in 4 ways, for example, as 155077652401 + 8538684025 = 393799^2 + 92405^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5249501 + ... + 5280576.

Almost surely, 2^163616336426 is an apocalyptic number.

163616336426 is a deficient number, since it is larger than the sum of its proper divisors (96813552670).

163616336426 is a wasteful number, since it uses less digits than its factorization.

163616336426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10530553.

The product of its digits is 1679616, while the sum is 47.

The spelling of 163616336426 in words is "one hundred sixty-three billion, six hundred sixteen million, three hundred thirty-six thousand, four hundred twenty-six".