260164075565544 has 64 divisors (see below), whose sum is σ = 678690962864640. Its totient is φ = 82950611663040.

The previous prime is 260164075565533. The next prime is 260164075565633. The reversal of 260164075565544 is 445565570461062.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 278772739 + ... + 279704429.

It is an arithmetic number, because the mean of its divisors is an integer number (10604546294760).

Almost surely, 2^{260164075565544} is an apocalyptic number.

260164075565544 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

260164075565544 is an abundant number, since it is smaller than the sum of its proper divisors (418526887299096).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

260164075565544 is a wasteful number, since it uses less digits than its factorization.

260164075565544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1437590 (or 1437586 counting only the distinct ones).

The product of its (nonzero) digits is 120960000, while the sum is 60.

The spelling of 260164075565544 in words is "two hundred sixty trillion, one hundred sixty-four billion, seventy-five million, five hundred sixty-five thousand, five hundred forty-four".