161050252 has 24 divisors (see below), whose sum is σ = 313265232. Its totient is φ = 71822400.

The previous prime is 161050237. The next prime is 161050261. The reversal of 161050252 is 252050161.

161050252 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (22).

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, 32199 + ... + 36862.

It is an arithmetic number, because the mean of its divisors is an integer number (13052718).

Almost surely, 2^161050252 is an apocalyptic number.

It is an amenable number.

161050252 is a deficient number, since it is larger than the sum of its proper divisors (152214980).

161050252 is a wasteful number, since it uses less digits than its factorization.

161050252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69129 (or 69127 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 161050252 is about 12690.5575921628. The cubic root of 161050252 is about 544.0687764471.

Subtracting 161050252 from its reverse (252050161), we obtain a palindrome (90999909).

The spelling of 161050252 in words is "one hundred sixty-one million, fifty thousand, two hundred fifty-two".