665362271235 has 16 divisors (see below), whose sum is σ = 1065662648064. Its totient is φ = 354498873312.

The previous prime is 665362271209. The next prime is 665362271257. The reversal of 665362271235 is 532172263566.

It is a de Polignac number, because none of the positive numbers 2^k-665362271235 is a prime.

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, 22547557 + ... + 22577046.

It is an arithmetic number, because the mean of its divisors is an integer number (66603915504).

Almost surely, 2^665362271235 is an apocalyptic number.

665362271235 is a deficient number, since it is larger than the sum of its proper divisors (400300376829).

665362271235 is a wasteful number, since it uses less digits than its factorization.

665362271235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45125594.

The product of its digits is 2721600, while the sum is 48.

The spelling of 665362271235 in words is "six hundred sixty-five billion, three hundred sixty-two million, two hundred seventy-one thousand, two hundred thirty-five".