265640352256622 has 16 divisors (see below), whose sum is σ = 458707427883360. Its totient is φ = 113014873534848.

The previous prime is 265640352256583. The next prime is 265640352256667. The reversal of 265640352256622 is 226652253046562.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69249307847 + ... + 69249311682.

It is an arithmetic number, because the mean of its divisors is an integer number (28669214242710).

Almost surely, 2^{265640352256622} is an apocalyptic number.

265640352256622 is a deficient number, since it is larger than the sum of its proper divisors (193067075626738).

265640352256622 is a wasteful number, since it uses less digits than its factorization.

265640352256622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138498619675.

The product of its (nonzero) digits is 62208000, while the sum is 56.

The spelling of 265640352256622 in words is "two hundred sixty-five trillion, six hundred forty billion, three hundred fifty-two million, two hundred fifty-six thousand, six hundred twenty-two".