161203026 has 32 divisors (see below), whose sum is σ = 326350080. Its totient is φ = 53081424.

The previous prime is 161203019. The next prime is 161203037. The reversal of 161203026 is 620302161.

It is a happy number.

161203026 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 161202993 and 161203011.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 235681 + ... + 236363.

It is an arithmetic number, because the mean of its divisors is an integer number (10198440).

Almost surely, 2^161203026 is an apocalyptic number.

161203026 is an abundant number, since it is smaller than the sum of its proper divisors (165147054).

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

161203026 is a wasteful number, since it uses less digits than its factorization.

161203026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1110.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 161203026 is about 12696.5753650345. The cubic root of 161203026 is about 544.2407585736.

Adding to 161203026 its reverse (620302161), we get a palindrome (781505187).

The spelling of 161203026 in words is "one hundred sixty-one million, two hundred three thousand, twenty-six".