65924472672 has 384 divisors, whose sum is σ = 206644838400. Its totient is φ = 20387179008.

The previous prime is 65924472671. The next prime is 65924472689. The reversal of 65924472672 is 27627442956.

It is a happy number.

65924472672 is a `hidden beast` number, since 6 + 592 + 4 + 47 + 2 + 6 + 7 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65924472671) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 214737543 + ... + 214737849.

It is an arithmetic number, because the mean of its divisors is an integer number (538137600).

Almost surely, 2^65924472672 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 65924472672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103322419200).

65924472672 is an abundant number, since it is smaller than the sum of its proper divisors (140720365728).

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

65924472672 is a wasteful number, since it uses less digits than its factorization.

65924472672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 575 (or 561 counting only the distinct ones).

The product of its digits is 10160640, while the sum is 54.

The spelling of 65924472672 in words is "sixty-five billion, nine hundred twenty-four million, four hundred seventy-two thousand, six hundred seventy-two".