160661002 has 4 divisors (see below), whose sum is σ = 240991506. Its totient is φ = 80330500.

The previous prime is 160660991. The next prime is 160661009. The reversal of 160661002 is 200166061.

160661002 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 131813361 + 28847641 = 11481^2 + 5371^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (160661009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40165249 + ... + 40165252.

Almost surely, 2^160661002 is an apocalyptic number.

160661002 is a deficient number, since it is larger than the sum of its proper divisors (80330504).

160661002 is an equidigital number, since it uses as much as digits as its factorization.

160661002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80330503.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 160661002 is about 12675.2121086789. The cubic root of 160661002 is about 543.6300942813.

The spelling of 160661002 in words is "one hundred sixty million, six hundred sixty-one thousand, two".