165150651162 has 128 divisors (see below), whose sum is σ = 421203898368. Its totient is φ = 42058368000.

The previous prime is 165150651121. The next prime is 165150651199. The reversal of 165150651162 is 261156051561.

It is a super-2 number, since 2×165150651162² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 165150651162.

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 63 ways as a sum of consecutive naturals, for example, 1608837 + ... + 1708407.

It is an arithmetic number, because the mean of its divisors is an integer number (3290655456).

Almost surely, 2^165150651162 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 165150651162, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (210601949184).

165150651162 is an abundant number, since it is smaller than the sum of its proper divisors (256053247206).

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

165150651162 is a wasteful number, since it uses less digits than its factorization.

165150651162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99724.

The product of its (nonzero) digits is 54000, while the sum is 39.

The spelling of 165150651162 in words is "one hundred sixty-five billion, one hundred fifty million, six hundred fifty-one thousand, one hundred sixty-two".