65006213457920 has 192 divisors, whose sum is σ = 187641294422400. Its totient is φ = 21114799718400.

The previous prime is 65006213457917. The next prime is 65006213457931. The reversal of 65006213457920 is 2975431260056.

It is a super-2 number, since 2×65006213457920² (a number of 28 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (50) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22503731 + ... + 25227570.

It is an arithmetic number, because the mean of its divisors is an integer number (977298408450).

Almost surely, 2^{65006213457920} is an apocalyptic number.

It is an amenable number.

65006213457920 is an abundant number, since it is smaller than the sum of its proper divisors (122635080964480).

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

65006213457920 is a wasteful number, since it uses less digits than its factorization.

65006213457920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47731354 (or 47731334 counting only the distinct ones).

The product of its (nonzero) digits is 2721600, while the sum is 50.

The spelling of 65006213457920 in words is "sixty-five trillion, six billion, two hundred thirteen million, four hundred fifty-seven thousand, nine hundred twenty".