163134526665 has 16 divisors (see below), whose sum is σ = 284743901376. Its totient is φ = 79095528000.

The previous prime is 163134526631. The next prime is 163134526691. The reversal of 163134526665 is 566625431361.

It is not a de Polignac number, because 163134526665 - 2⁸ = 163134526409 is a prime.

It is a super-2 number, since 2×163134526665² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 494346886 + ... + 494347215.

It is an arithmetic number, because the mean of its divisors is an integer number (17796493836).

Almost surely, 2^163134526665 is an apocalyptic number.

163134526665 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

163134526665 is a deficient number, since it is larger than the sum of its proper divisors (121609374711).

163134526665 is a wasteful number, since it uses less digits than its factorization.

163134526665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 988694120.

The product of its digits is 2332800, while the sum is 48.

The spelling of 163134526665 in words is "one hundred sixty-three billion, one hundred thirty-four million, five hundred twenty-six thousand, six hundred sixty-five".