165054999469056 has 176 divisors, whose sum is σ = 441668350953984. Its totient is φ = 54801213014016.

The previous prime is 165054999469033. The next prime is 165054999469067. The reversal of 165054999469056 is 650964999450561.

It is a super-2 number, since 2×165054999469056² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

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, 8925259746 + ... + 8925278238.

It is an arithmetic number, because the mean of its divisors is an integer number (2509479266784).

Almost surely, 2^{165054999469056} is an apocalyptic number.

165054999469056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 165054999469056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (220834175476992).

165054999469056 is an abundant number, since it is smaller than the sum of its proper divisors (276613351484928).

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

165054999469056 is a wasteful number, since it uses less digits than its factorization.

165054999469056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29826 (or 29808 counting only the distinct ones).

The product of its (nonzero) digits is 2834352000, while the sum is 78.

The spelling of 165054999469056 in words is "one hundred sixty-five trillion, fifty-four billion, nine hundred ninety-nine million, four hundred sixty-nine thousand, fifty-six".