1002886161 has 4 divisors (see below), whose sum is σ = 1337181552. Its totient is φ = 668590772.

The previous prime is 1002886127. The next prime is 1002886211. The reversal of 1002886161 is 1616882001.

1002886161 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1002886161 - 2⁶ = 1002886097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1002886111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 167147691 + ... + 167147696.

It is an arithmetic number, because the mean of its divisors is an integer number (334295388).

Almost surely, 2^1002886161 is an apocalyptic number.

It is an amenable number.

1002886161 is a deficient number, since it is larger than the sum of its proper divisors (334295391).

1002886161 is an equidigital number, since it uses as much as digits as its factorization.

1002886161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334295390.

The product of its (nonzero) digits is 4608, while the sum is 33.

The square root of 1002886161 is about 31668.3779344633. The cubic root of 1002886161 is about 1000.9611296006.

The spelling of 1002886161 in words is "one billion, two million, eight hundred eighty-six thousand, one hundred sixty-one".