161803435034 has 8 divisors (see below), whose sum is σ = 253257550560. Its totient is φ = 77384251516.

The previous prime is 161803435009. The next prime is 161803435049. The reversal of 161803435034 is 430534308161.

161803435034 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 1758732944 + ... + 1758733035.

It is an arithmetic number, because the mean of its divisors is an integer number (31657193820).

Almost surely, 2^161803435034 is an apocalyptic number.

161803435034 is a deficient number, since it is larger than the sum of its proper divisors (91454115526).

161803435034 is a wasteful number, since it uses less digits than its factorization.

161803435034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3517466004.

The product of its (nonzero) digits is 103680, while the sum is 38.

The spelling of 161803435034 in words is "one hundred sixty-one billion, eight hundred three million, four hundred thirty-five thousand, thirty-four".