161050004 has 24 divisors (see below), whose sum is σ = 301543200. Its totient is φ = 75034080.

The previous prime is 161049989. The next prime is 161050013. The reversal of 161050004 is 400050161.

It is a happy number.

161050004 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12734 + ... + 22005.

It is an arithmetic number, because the mean of its divisors is an integer number (12564300).

Almost surely, 2^161050004 is an apocalyptic number.

It is an amenable number.

161050004 is a deficient number, since it is larger than the sum of its proper divisors (140493196).

161050004 is a wasteful number, since it uses less digits than its factorization.

161050004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34823 (or 34821 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 161050004 is about 12690.5478211147. The cubic root of 161050004 is about 544.0684971779.

The spelling of 161050004 in words is "one hundred sixty-one million, fifty thousand, four".