161233003435 has 32 divisors (see below), whose sum is σ = 223558917120. Its totient is φ = 109346156928.

The previous prime is 161233003429. The next prime is 161233003447. The reversal of 161233003435 is 534300332161.

161233003435 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 161233003435 - 2⁷ = 161233003307 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 161233003397 and 161233003406.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1216489 + ... + 1342501.

It is an arithmetic number, because the mean of its divisors is an integer number (6986216160).

Almost surely, 2^161233003435 is an apocalyptic number.

161233003435 is a deficient number, since it is larger than the sum of its proper divisors (62325913685).

161233003435 is a wasteful number, since it uses less digits than its factorization.

161233003435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126427.

The product of its (nonzero) digits is 19440, while the sum is 31.

Adding to 161233003435 its reverse (534300332161), we get a palindrome (695533335596).

The spelling of 161233003435 in words is "one hundred sixty-one billion, two hundred thirty-three million, three thousand, four hundred thirty-five".