65464004056206 has 128 divisors (see below), whose sum is σ = 161583898982400. Its totient is φ = 17267219988480.

The previous prime is 65464004056147. The next prime is 65464004056307. The reversal of 65464004056206 is 60265040046456.

It is a super-2 number, since 2×65464004056206² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 72640686 + ... + 73536366.

It is an arithmetic number, because the mean of its divisors is an integer number (1262374210800).

Almost surely, 2^{65464004056206} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65464004056206, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80791949491200).

65464004056206 is an abundant number, since it is smaller than the sum of its proper divisors (96119894926194).

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

65464004056206 is a wasteful number, since it uses less digits than its factorization.

65464004056206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 898354.

The product of its (nonzero) digits is 4147200, while the sum is 48.

The spelling of 65464004056206 in words is "sixty-five trillion, four hundred sixty-four billion, four million, fifty-six thousand, two hundred six".