65653244016 has 40 divisors (see below), whose sum is σ = 169665112464. Its totient is φ = 21876556800.

The previous prime is 65653243919. The next prime is 65653244021. The reversal of 65653244016 is 61044235656.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109711 + ... + 378606.

Almost surely, 2^65653244016 is an apocalyptic number.

It is an amenable number.

65653244016 is an abundant number, since it is smaller than the sum of its proper divisors (104011868448).

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

65653244016 is a wasteful number, since it uses less digits than its factorization.

65653244016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 491129 (or 491123 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 42.

The spelling of 65653244016 in words is "sixty-five billion, six hundred fifty-three million, two hundred forty-four thousand, sixteen".