161026208 has 48 divisors (see below), whose sum is σ = 366093504. Its totient is φ = 68290560.

The previous prime is 161026199. The next prime is 161026211. The reversal of 161026208 is 802620161.

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, 18023 + ... + 25433.

It is an arithmetic number, because the mean of its divisors is an integer number (7626948).

Almost surely, 2^161026208 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 161026208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (183046752).

161026208 is an abundant number, since it is smaller than the sum of its proper divisors (205067296).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

161026208 is an equidigital number, since it uses as much as digits as its factorization.

161026208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7525 (or 7517 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 161026208 is about 12689.6102383013. The cubic root of 161026208 is about 544.0416995140.

Adding to 161026208 its reverse (802620161), we get a palindrome (963646369).

The spelling of 161026208 in words is "one hundred sixty-one million, twenty-six thousand, two hundred eight".