165234655855056 has 40 divisors (see below), whose sum is σ = 427982463981280. Its totient is φ = 54932893497216.

The previous prime is 165234655855043. The next prime is 165234655855069. The reversal of 165234655855056 is 650558556432561.

It is an interprime number because it is at equal distance from previous prime (165234655855043) and next prime (165234655855069).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4541391655 + ... + 4541428038.

It is an arithmetic number, because the mean of its divisors is an integer number (10699561599532).

Almost surely, 2^{165234655855056} is an apocalyptic number.

165234655855056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

165234655855056 is an abundant number, since it is smaller than the sum of its proper divisors (262747808126224).

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

165234655855056 is a wasteful number, since it uses less digits than its factorization.

165234655855056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9082820083 (or 9082820077 counting only the distinct ones).

The product of its (nonzero) digits is 648000000, while the sum is 66.

The spelling of 165234655855056 in words is "one hundred sixty-five trillion, two hundred thirty-four billion, six hundred fifty-five million, eight hundred fifty-five thousand, fifty-six".