385665162780265 has 8 divisors (see below), whose sum is σ = 475306254669960. Its totient is φ = 300193424001792.

The previous prime is 385665162780263. The next prime is 385665162780311. The reversal of 385665162780265 is 562087261566583.

It can be written as a sum of positive squares in 4 ways, for example, as 12670837590544 + 372994325189721 = 3559612^2 + 19313061^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 385665162780265 - 2¹ = 385665162780263 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 385665162780194 and 385665162780203.

It is not an unprimeable number, because it can be changed into a prime (385665162780263) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1042338277600 + ... + 1042338277969.

It is an arithmetic number, because the mean of its divisors is an integer number (59413281833745).

Almost surely, 2^{385665162780265} is an apocalyptic number.

It is an amenable number.

385665162780265 is a deficient number, since it is larger than the sum of its proper divisors (89641091889695).

385665162780265 is a wasteful number, since it uses less digits than its factorization.

385665162780265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2084676555611.

The product of its (nonzero) digits is 870912000, while the sum is 70.

The spelling of 385665162780265 in words is "three hundred eighty-five trillion, six hundred sixty-five billion, one hundred sixty-two million, seven hundred eighty thousand, two hundred sixty-five".