265196160784 has 45 divisors (see below), whose sum is σ = 531054863829. Its totient is φ = 128289824640.

The previous prime is 265196160773. The next prime is 265196160793. The reversal of 265196160784 is 487061691562.

The square root of 265196160784 is 514972.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 3183216400 + 262012944384 = 56420^2 + 511872^2 .

It is a super-3 number, since 3×265196160784³ (a number of 35 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 63854452 + ... + 63858604.

Almost surely, 2^265196160784 is an apocalyptic number.

265196160784 is the 514972-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 265196160784

265196160784 is an abundant number, since it is smaller than the sum of its proper divisors (265858703045).

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

265196160784 is an frugal number, since it uses more digits than its factorization.

265196160784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8376 (or 4186 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 55.

The spelling of 265196160784 in words is "two hundred sixty-five billion, one hundred ninety-six million, one hundred sixty thousand, seven hundred eighty-four".