65401206 has 48 divisors (see below), whose sum is σ = 146035344. Its totient is φ = 19410048.

The previous prime is 65401201. The next prime is 65401207. The reversal of 65401206 is 60210456.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65401201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 65100 + ... + 66096.

It is an arithmetic number, because the mean of its divisors is an integer number (3042403).

Almost surely, 2^65401206 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65401206, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73017672).

65401206 is an abundant number, since it is smaller than the sum of its proper divisors (80634138).

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

65401206 is a wasteful number, since it uses less digits than its factorization.

65401206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1073 (or 1044 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 65401206 is about 8087.1012111881. The cubic root of 65401206 is about 402.8981305527.

The spelling of 65401206 in words is "sixty-five million, four hundred one thousand, two hundred six".