161050653544 has 64 divisors (see below), whose sum is σ = 348586260480. Its totient is φ = 69035736000.

The previous prime is 161050653457. The next prime is 161050653551. The reversal of 161050653544 is 445356050161.

It is a happy number.

161050653544 is digitally balanced in base 3, 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 = 161050653497 and 161050653506.

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, 416652 + ... + 704059.

It is an arithmetic number, because the mean of its divisors is an integer number (5446660320).

Almost surely, 2^161050653544 is an apocalyptic number.

It is an amenable number.

161050653544 is an abundant number, since it is smaller than the sum of its proper divisors (187535606936).

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

161050653544 is a wasteful number, since it uses less digits than its factorization.

161050653544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1120822 (or 1120818 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 40.

The spelling of 161050653544 in words is "one hundred sixty-one billion, fifty million, six hundred fifty-three thousand, five hundred forty-four".