260164012720291 has 4 divisors (see below), whose sum is σ = 260216370143800. Its totient is φ = 260111655296784.

The previous prime is 260164012720277. The next prime is 260164012720327. The reversal of 260164012720291 is 192027210461062.

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

It is a cyclic number.

It is not a de Polignac number, because 260164012720291 - 2³⁵ = 260129652981923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (260164012720891) 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, 26178704301 + ... + 26178714238.

It is an arithmetic number, because the mean of its divisors is an integer number (65054092535950).

Almost surely, 2^{260164012720291} is an apocalyptic number.

260164012720291 is a deficient number, since it is larger than the sum of its proper divisors (52357423509).

260164012720291 is an equidigital number, since it uses as much as digits as its factorization.

260164012720291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52357423508.

The product of its (nonzero) digits is 145152, while the sum is 43.

The spelling of 260164012720291 in words is "two hundred sixty trillion, one hundred sixty-four billion, twelve million, seven hundred twenty thousand, two hundred ninety-one".