165554928 has 360 divisors, whose sum is σ = 617460480. Its totient is φ = 42456960.

The previous prime is 165554927. The next prime is 165554933. The reversal of 165554928 is 829455561.

165554928 is a `hidden beast` number, since 1 + 6 + 5 + 554 + 92 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165554927) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2095593 + ... + 2095671.

It is an arithmetic number, because the mean of its divisors is an integer number (1715168).

Almost surely, 2^165554928 is an apocalyptic number.

165554928 is a gapful number since it is divisible by the number (18) 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 165554928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (308730240).

165554928 is an abundant number, since it is smaller than the sum of its proper divisors (451905552).

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

165554928 is a wasteful number, since it uses less digits than its factorization.

165554928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127 (or 102 counting only the distinct ones).

The product of its digits is 432000, while the sum is 45.

The square root of 165554928 is about 12866.8149905095. The cubic root of 165554928 is about 549.0948505830.

The spelling of 165554928 in words is "one hundred sixty-five million, five hundred fifty-four thousand, nine hundred twenty-eight".