161045641530050 has 48 divisors (see below), whose sum is σ = 312574747417920. Its totient is φ = 61616247887040.

The previous prime is 161045641530013. The next prime is 161045641530079. The reversal of 161045641530050 is 50035146540161.

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 23 ways as a sum of consecutive naturals, for example, 58080656 + ... + 60790244.

It is an arithmetic number, because the mean of its divisors is an integer number (6511973904540).

Almost surely, 2^{161045641530050} is an apocalyptic number.

161045641530050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

161045641530050 is a deficient number, since it is larger than the sum of its proper divisors (151529105887870).

161045641530050 is a wasteful number, since it uses less digits than its factorization.

161045641530050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2761307 (or 2761302 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 41.

The spelling of 161045641530050 in words is "one hundred sixty-one trillion, forty-five billion, six hundred forty-one million, five hundred thirty thousand, fifty".