260264000661 has 8 divisors (see below), whose sum is σ = 396592762944. Its totient is φ = 148722286080.

The previous prime is 260264000653. The next prime is 260264000671. The reversal of 260264000661 is 166000462062.

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

It is not a de Polignac number, because 260264000661 - 2³ = 260264000653 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260264000671) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6196761900 + ... + 6196761941.

It is an arithmetic number, because the mean of its divisors is an integer number (49574095368).

Almost surely, 2^260264000661 is an apocalyptic number.

260264000661 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

260264000661 is a deficient number, since it is larger than the sum of its proper divisors (136328762283).

260264000661 is a wasteful number, since it uses less digits than its factorization.

260264000661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12393523851.

The product of its (nonzero) digits is 20736, while the sum is 33.

The spelling of 260264000661 in words is "two hundred sixty billion, two hundred sixty-four million, six hundred sixty-one", and thus it is an aban number.