265341660 has 24 divisors (see below), whose sum is σ = 742956816. Its totient is φ = 70757760.

The previous prime is 265341607. The next prime is 265341667. The reversal of 265341660 is 66143562.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (265341667) 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, 2211121 + ... + 2211240.

It is an arithmetic number, because the mean of its divisors is an integer number (30956534).

Almost surely, 2^265341660 is an apocalyptic number.

265341660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

265341660 is an abundant number, since it is smaller than the sum of its proper divisors (477615156).

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

265341660 is a wasteful number, since it uses less digits than its factorization.

265341660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4422373 (or 4422371 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 33.

The square root of 265341660 is about 16289.3112193242. The cubic root of 265341660 is about 642.5917526059.

The spelling of 265341660 in words is "two hundred sixty-five million, three hundred forty-one thousand, six hundred sixty".