265924985660 has 24 divisors (see below), whose sum is σ = 572063019696. Its totient is φ = 103775603840.

The previous prime is 265924985659. The next prime is 265924985671. The reversal of 265924985660 is 66589429562.

It is a junction number, because it is equal to n+sod(n) for n = 265924985593 and 265924985602.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 162148562 + ... + 162150201.

It is an arithmetic number, because the mean of its divisors is an integer number (23835959154).

Almost surely, 2^265924985660 is an apocalyptic number.

265924985660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

265924985660 is an abundant number, since it is smaller than the sum of its proper divisors (306138034036).

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

265924985660 is a wasteful number, since it uses less digits than its factorization.

265924985660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324298813 (or 324298811 counting only the distinct ones).

The product of its (nonzero) digits is 55987200, while the sum is 62.

The spelling of 265924985660 in words is "two hundred sixty-five billion, nine hundred twenty-four million, nine hundred eighty-five thousand, six hundred sixty".