65195064 has 128 divisors (see below), whose sum is σ = 206323200. Its totient is φ = 18881280.

The previous prime is 65195033. The next prime is 65195093. The reversal of 65195064 is 46059156.

65195064 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 54052 + ... + 55244.

It is an arithmetic number, because the mean of its divisors is an integer number (1611900).

Almost surely, 2^65195064 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65195064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103161600).

65195064 is an abundant number, since it is smaller than the sum of its proper divisors (141128136).

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

65195064 is a wasteful number, since it uses less digits than its factorization.

65195064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1242 (or 1232 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The square root of 65195064 is about 8074.3460416309. The cubic root of 65195064 is about 402.4743787299.

The spelling of 65195064 in words is "sixty-five million, one hundred ninety-five thousand, sixty-four".