265141660 has 48 divisors (see below), whose sum is σ = 637398720. Its totient is φ = 90754560.

The previous prime is 265141633. The next prime is 265141661. The reversal of 265141660 is 66141562.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (265141661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 112090 + ... + 114430.

It is an arithmetic number, because the mean of its divisors is an integer number (13279140).

Almost surely, 2^265141660 is an apocalyptic number.

265141660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

265141660 is an abundant number, since it is smaller than the sum of its proper divisors (372257060).

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

265141660 is a wasteful number, since it uses less digits than its factorization.

265141660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3166 (or 3164 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 265141660 is about 16283.1710670864. The cubic root of 265141660 is about 642.4302618772.

The spelling of 265141660 in words is "two hundred sixty-five million, one hundred forty-one thousand, six hundred sixty".