165526950 has 96 divisors (see below), whose sum is σ = 428115456. Its totient is φ = 42290560.

The previous prime is 165526913. The next prime is 165526957. The reversal of 165526950 is 59625561.

It is a junction number, because it is equal to n+sod(n) for n = 165526899 and 165526908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165526957) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 373429 + ... + 373871.

It is an arithmetic number, because the mean of its divisors is an integer number (4459536).

Almost surely, 2^165526950 is an apocalyptic number.

165526950 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 165526950, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (214057728).

165526950 is an abundant number, since it is smaller than the sum of its proper divisors (262588506).

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

165526950 is a wasteful number, since it uses less digits than its factorization.

165526950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 558 (or 553 counting only the distinct ones).

The product of its (nonzero) digits is 81000, while the sum is 39.

The square root of 165526950 is about 12865.7277291259. The cubic root of 165526950 is about 549.0639173626.

The spelling of 165526950 in words is "one hundred sixty-five million, five hundred twenty-six thousand, nine hundred fifty".