260420556722266 has 8 divisors (see below), whose sum is σ = 393612749855424. Its totient is φ = 129216306770460.

The previous prime is 260420556722239. The next prime is 260420556722273. The reversal of 260420556722266 is 662227655024062.

260420556722266 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 496985795010 + ... + 496985795533.

It is an arithmetic number, because the mean of its divisors is an integer number (49201593731928).

Almost surely, 2^{260420556722266} is an apocalyptic number.

260420556722266 is a deficient number, since it is larger than the sum of its proper divisors (133192193133158).

260420556722266 is a wasteful number, since it uses less digits than its factorization.

260420556722266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 993971590676.

The product of its (nonzero) digits is 29030400, while the sum is 55.

The spelling of 260420556722266 in words is "two hundred sixty trillion, four hundred twenty billion, five hundred fifty-six million, seven hundred twenty-two thousand, two hundred sixty-six".