565161736253772 has 48 divisors (see below), whose sum is σ = 1507111801316352. Its totient is φ = 161473299146880.

The previous prime is 565161736253729. The next prime is 565161736253909. The reversal of 565161736253772 is 277352637161565.

It is a Smith number, since the sum of its digits (66) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

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, 21669129 + ... + 39998432.

It is an arithmetic number, because the mean of its divisors is an integer number (31398162527424).

Almost surely, 2^{565161736253772} is an apocalyptic number.

It is an amenable number.

565161736253772 is an abundant number, since it is smaller than the sum of its proper divisors (941950065062580).

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

565161736253772 is a wasteful number, since it uses less digits than its factorization.

565161736253772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61776678 (or 61776676 counting only the distinct ones).

The product of its digits is 333396000, while the sum is 66.

The spelling of 565161736253772 in words is "five hundred sixty-five trillion, one hundred sixty-one billion, seven hundred thirty-six million, two hundred fifty-three thousand, seven hundred seventy-two".