161002852 has 48 divisors (see below), whose sum is σ = 314399232. Its totient is φ = 71751680.

The previous prime is 161002847. The next prime is 161002901. The reversal of 161002852 is 258200161.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 176277 + ... + 177187.

It is an arithmetic number, because the mean of its divisors is an integer number (6549984).

Almost surely, 2^161002852 is an apocalyptic number.

It is an amenable number.

161002852 is a deficient number, since it is larger than the sum of its proper divisors (153396380).

161002852 is a wasteful number, since it uses less digits than its factorization.

161002852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1068 (or 1066 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 161002852 is about 12688.6899244958. The cubic root of 161002852 is about 544.0153947849.

The spelling of 161002852 in words is "one hundred sixty-one million, two thousand, eight hundred fifty-two".