165206197478496 has 96 divisors (see below), whose sum is σ = 465103843223040. Its totient is φ = 51186031363584.

The previous prime is 165206197478447. The next prime is 165206197478507. The reversal of 165206197478496 is 694874791602561.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 854371000 + ... + 854564343.

It is an arithmetic number, because the mean of its divisors is an integer number (4844831700240).

Almost surely, 2^{165206197478496} is an apocalyptic number.

165206197478496 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

165206197478496 is an abundant number, since it is smaller than the sum of its proper divisors (299897645744544).

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

165206197478496 is a wasteful number, since it uses less digits than its factorization.

165206197478496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1708935428 (or 1708935420 counting only the distinct ones).

The product of its (nonzero) digits is 1097349120, while the sum is 75.

The spelling of 165206197478496 in words is "one hundred sixty-five trillion, two hundred six billion, one hundred ninety-seven million, four hundred seventy-eight thousand, four hundred ninety-six".