265060660 has 12 divisors (see below), whose sum is σ = 556627428. Its totient is φ = 106024256.

The previous prime is 265060639. The next prime is 265060687. The reversal of 265060660 is 66060562.

It can be written as a sum of positive squares in 2 ways, for example, as 110754576 + 154306084 = 10524^2 + 12422^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6626497 + ... + 6626536.

It is an arithmetic number, because the mean of its divisors is an integer number (46385619).

Almost surely, 2^265060660 is an apocalyptic number.

265060660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

265060660 is an abundant number, since it is smaller than the sum of its proper divisors (291566768).

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

265060660 is a wasteful number, since it uses less digits than its factorization.

265060660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13253042 (or 13253040 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 265060660 is about 16280.6836465795. The cubic root of 265060660 is about 642.3648350268.

The spelling of 265060660 in words is "two hundred sixty-five million, sixty thousand, six hundred sixty".