161033452 has 24 divisors (see below), whose sum is σ = 305330256. Its totient is φ = 74016768.

The previous prime is 161033449. The next prime is 161033501. The reversal of 161033452 is 254330161.

161033452 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 24613 + ... + 30460.

It is an arithmetic number, because the mean of its divisors is an integer number (12722094).

Almost surely, 2^161033452 is an apocalyptic number.

It is an amenable number.

161033452 is a deficient number, since it is larger than the sum of its proper divisors (144296804).

161033452 is a wasteful number, since it uses less digits than its factorization.

161033452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55137 (or 55135 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 161033452 is about 12689.8956654497. The cubic root of 161033452 is about 544.0498575628.

The spelling of 161033452 in words is "one hundred sixty-one million, thirty-three thousand, four hundred fifty-two".