260164061620405 has 8 divisors (see below), whose sum is σ = 312218400396672. Its totient is φ = 208116898328208.

The previous prime is 260164061620339. The next prime is 260164061620427. The reversal of 260164061620405 is 504026160461062.

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 260164061620405 - 2³¹ = 260161914136757 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1793791249 + ... + 1793936278.

It is an arithmetic number, because the mean of its divisors is an integer number (39027300049584).

Almost surely, 2^{260164061620405} is an apocalyptic number.

It is an amenable number.

260164061620405 is a deficient number, since it is larger than the sum of its proper divisors (52054338776267).

260164061620405 is a wasteful number, since it uses less digits than its factorization.

260164061620405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3587742035.

The product of its (nonzero) digits is 414720, while the sum is 43.

The spelling of 260164061620405 in words is "two hundred sixty trillion, one hundred sixty-four billion, sixty-one million, six hundred twenty thousand, four hundred five".