165750150 has 48 divisors (see below), whose sum is σ = 416718864. Its totient is φ = 43591680.

The previous prime is 165750127. The next prime is 165750163. The reversal of 165750150 is 51057561.

It is a super-2 number, since 2×165750150² = 54946224450045000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3382 + ... + 18518.

It is an arithmetic number, because the mean of its divisors is an integer number (8681643).

Almost surely, 2^165750150 is an apocalyptic number.

165750150 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 165750150, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (208359432).

165750150 is an abundant number, since it is smaller than the sum of its proper divisors (250968714).

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

165750150 is a wasteful number, since it uses less digits than its factorization.

165750150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15225 (or 15220 counting only the distinct ones).

The product of its (nonzero) digits is 5250, while the sum is 30.

The square root of 165750150 is about 12874.3990150997. The cubic root of 165750150 is about 549.3105962753.

The spelling of 165750150 in words is "one hundred sixty-five million, seven hundred fifty thousand, one hundred fifty".