161071002 has 24 divisors (see below), whose sum is σ = 350943840. Its totient is φ = 53389320.

The previous prime is 161070997. The next prime is 161071019. The reversal of 161071002 is 200170161.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21774 + ... + 28217.

It is an arithmetic number, because the mean of its divisors is an integer number (14622660).

Almost surely, 2^161071002 is an apocalyptic number.

161071002 is an abundant number, since it is smaller than the sum of its proper divisors (189872838).

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

161071002 is a wasteful number, since it uses less digits than its factorization.

161071002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50178 (or 50175 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 18.

The square root of 161071002 is about 12691.3751028011. The cubic root of 161071002 is about 544.0921417056.

The spelling of 161071002 in words is "one hundred sixty-one million, seventy-one thousand, two".