2642260161 has 8 divisors (see below), whose sum is σ = 3527597920. Its totient is φ = 1759214592.

The previous prime is 2642260121. The next prime is 2642260177. The reversal of 2642260161 is 1610622462.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2642260161 - 2³⁰ = 1568518337 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2642260121) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 570355 + ... + 574968.

It is an arithmetic number, because the mean of its divisors is an integer number (440949740).

Almost surely, 2^2642260161 is an apocalyptic number.

It is an amenable number.

2642260161 is a deficient number, since it is larger than the sum of its proper divisors (885337759).

2642260161 is a wasteful number, since it uses less digits than its factorization.

2642260161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1146095.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 2642260161 is about 51402.9197711570. The cubic root of 2642260161 is about 1382.4789443365.

The spelling of 2642260161 in words is "two billion, six hundred forty-two million, two hundred sixty thousand, one hundred sixty-one".