260309766197 has 8 divisors (see below), whose sum is σ = 284517678816. Its totient is φ = 236699579952.

The previous prime is 260309766191. The next prime is 260309766217. The reversal of 260309766197 is 791667903062.

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 260309766197 - 2¹⁴ = 260309749813 is a prime.

It is a super-2 number, since 2×260309766197² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260309766191) 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, 149430683 + ... + 149432424.

It is an arithmetic number, because the mean of its divisors is an integer number (35564709852).

Almost surely, 2^260309766197 is an apocalyptic number.

It is an amenable number.

260309766197 is a deficient number, since it is larger than the sum of its proper divisors (24207912619).

260309766197 is a wasteful number, since it uses less digits than its factorization.

260309766197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298863187.

The product of its (nonzero) digits is 5143824, while the sum is 56.

The spelling of 260309766197 in words is "two hundred sixty billion, three hundred nine million, seven hundred sixty-six thousand, one hundred ninety-seven".