65190 has 32 divisors (see below), whose sum is σ = 163296. Its totient is φ = 16640.

The previous prime is 65183. The next prime is 65203. The reversal of 65190 is 9156.

It is a super-2 number, since 2×65190² = 8499472200, which contains 22 as substring.

It is an Ulam number.

It is a nialpdrome in base 16.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1204 + ... + 1256.

It is an arithmetic number, because the mean of its divisors is an integer number (5103).

2⁶⁵¹⁹⁰ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65190, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81648).

65190 is an abundant number, since it is smaller than the sum of its proper divisors (98106).

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

65190 is a wasteful number, since it uses less digits than its factorization.

65190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104.

The product of its (nonzero) digits is 270, while the sum is 21.

The square root of 65190 is about 255.3233244339. The cubic root of 65190 is about 40.2463957782.

It can be divided in two parts, 651 and 90, that added together give a triangular number (741 = T₃₈).

The spelling of 65190 in words is "sixty-five thousand, one hundred ninety".