261074146367 has 6 divisors (see below), whose sum is σ = 269767563264. Its totient is φ = 252652398780.

The previous prime is 261074146357. The next prime is 261074146381. The reversal of 261074146367 is 763641470162.

It is not a de Polignac number, because 261074146367 - 2¹² = 261074142271 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (261074146357) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 135833663 + ... + 135835584.

It is an arithmetic number, because the mean of its divisors is an integer number (44961260544).

Almost surely, 2^261074146367 is an apocalyptic number.

261074146367 is a deficient number, since it is larger than the sum of its proper divisors (8693416897).

261074146367 is an equidigital number, since it uses as much as digits as its factorization.

261074146367 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271669309 (or 271669278 counting only the distinct ones).

The product of its (nonzero) digits is 1016064, while the sum is 47.

The spelling of 261074146367 in words is "two hundred sixty-one billion, seventy-four million, one hundred forty-six thousand, three hundred sixty-seven".