165630150 has 192 divisors, whose sum is σ = 552821760. Its totient is φ = 35596800.

The previous prime is 165630139. The next prime is 165630151. The reversal of 165630150 is 51036561.

It is a happy number.

165630150 is a `hidden beast` number, since 1 + 656 + 3 + 0 + 1 + 5 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165630151) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 160135 + ... + 161165.

It is an arithmetic number, because the mean of its divisors is an integer number (2879280).

Almost surely, 2^165630150 is an apocalyptic number.

165630150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 165630150, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (276410880).

165630150 is an abundant number, since it is smaller than the sum of its proper divisors (387191610).

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

165630150 is a wasteful number, since it uses less digits than its factorization.

165630150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1076 (or 1065 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The square root of 165630150 is about 12869.7377595660. The cubic root of 165630150 is about 549.1780007480.

The spelling of 165630150 in words is "one hundred sixty-five million, six hundred thirty thousand, one hundred fifty".