260601317649 has 24 divisors (see below), whose sum is σ = 378273722112. Its totient is φ = 172882446720.

The previous prime is 260601317591. The next prime is 260601317653. The reversal of 260601317649 is 946713106062.

260601317649 is a `hidden beast` number, since 2 + 6 + 0 + 601 + 31 + 7 + 6 + 4 + 9 = 666.

It is not a de Polignac number, because 260601317649 - 2¹⁶ = 260601252113 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (260601317549) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1581304 + ... + 1738310.

It is an arithmetic number, because the mean of its divisors is an integer number (15761405088).

Almost surely, 2^260601317649 is an apocalyptic number.

It is an amenable number.

260601317649 is a deficient number, since it is larger than the sum of its proper divisors (117672404463).

260601317649 is a wasteful number, since it uses less digits than its factorization.

260601317649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157917 (or 157914 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 45.

The spelling of 260601317649 in words is "two hundred sixty billion, six hundred one million, three hundred seventeen thousand, six hundred forty-nine".