2660161556113 has 8 divisors (see below), whose sum is σ = 2670141488256. Its totient is φ = 2650182829200.

The previous prime is 2660161556089. The next prime is 2660161556153. The reversal of 2660161556113 is 3116551610662.

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

It is a cyclic number.

It is not a de Polignac number, because 2660161556113 - 2²¹ = 2660159458961 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2660161556113.

It is not an unprimeable number, because it can be changed into a prime (2660161556153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4249983 + ... + 4835563.

It is an arithmetic number, because the mean of its divisors is an integer number (333767686032).

Almost surely, 2^{2660161556113} is an apocalyptic number.

It is an amenable number.

2660161556113 is a deficient number, since it is larger than the sum of its proper divisors (9979932143).

2660161556113 is a wasteful number, since it uses less digits than its factorization.

2660161556113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 602615.

The product of its (nonzero) digits is 194400, while the sum is 43.

The spelling of 2660161556113 in words is "two trillion, six hundred sixty billion, one hundred sixty-one million, five hundred fifty-six thousand, one hundred thirteen".