261707613141 has 8 divisors (see below), whose sum is σ = 375785290720. Its totient is φ = 161050838832.

The previous prime is 261707613091. The next prime is 261707613149. The reversal of 261707613141 is 141316707162.

It is a happy number.

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

It is not a de Polignac number, because 261707613141 - 2¹⁸ = 261707350997 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 6710451619 = 261707613141 / (2 + 6 + 1 + 7 + 0 + 7 + 6 + 1 + 3 + 1 + 4 + 1).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 261707613141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (261707613149) 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, 3355225771 + ... + 3355225848.

It is an arithmetic number, because the mean of its divisors is an integer number (46973161340).

Almost surely, 2^261707613141 is an apocalyptic number.

It is an amenable number.

261707613141 is a deficient number, since it is larger than the sum of its proper divisors (114077677579).

261707613141 is a wasteful number, since it uses less digits than its factorization.

261707613141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6710451635.

The product of its (nonzero) digits is 42336, while the sum is 39.

The spelling of 261707613141 in words is "two hundred sixty-one billion, seven hundred seven million, six hundred thirteen thousand, one hundred forty-one".