161053646044 has 12 divisors (see below), whose sum is σ = 281947556800. Its totient is φ = 80497201248.

The previous prime is 161053646041. The next prime is 161053646119. The reversal of 161053646044 is 440646350161.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 161053645988 and 161053646006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161053646041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7393209 + ... + 7414960.

Almost surely, 2^161053646044 is an apocalyptic number.

It is an amenable number.

161053646044 is a deficient number, since it is larger than the sum of its proper divisors (120893910756).

161053646044 is a wasteful number, since it uses less digits than its factorization.

161053646044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14810892 (or 14810890 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 40.

The spelling of 161053646044 in words is "one hundred sixty-one billion, fifty-three million, six hundred forty-six thousand, forty-four".