2661351163235 has 8 divisors (see below), whose sum is σ = 3201031192896. Its totient is φ = 2124141065920.

The previous prime is 2661351163199. The next prime is 2661351163241. The reversal of 2661351163235 is 5323611531662.

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

It is not a de Polignac number, because 2661351163235 - 2³⁶ = 2592631686499 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 617480714 + ... + 617485023.

It is an arithmetic number, because the mean of its divisors is an integer number (400128899112).

Almost surely, 2^{2661351163235} is an apocalyptic number.

2661351163235 is a deficient number, since it is larger than the sum of its proper divisors (539680029661).

2661351163235 is a wasteful number, since it uses less digits than its factorization.

2661351163235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1234966173.

The product of its digits is 583200, while the sum is 44.

Adding to 2661351163235 its reverse (5323611531662), we get a palindrome (7984962694897).

The spelling of 2661351163235 in words is "two trillion, six hundred sixty-one billion, three hundred fifty-one million, one hundred sixty-three thousand, two hundred thirty-five".