65973519360 has 704 divisors, whose sum is σ = 271658188800. Its totient is φ = 14871527424.

The previous prime is 65973519349. The next prime is 65973519373. The reversal of 65973519360 is 6391537956.

65973519360 is a `hidden beast` number, since 6 + 5 + 97 + 3 + 519 + 36 + 0 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 65973519297 and 65973519306.

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, 76446289 + ... + 76447151.

Almost surely, 2^65973519360 is an apocalyptic number.

65973519360 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65973519360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (135829094400).

65973519360 is an abundant number, since it is smaller than the sum of its proper divisors (205684669440).

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

65973519360 is a wasteful number, since it uses less digits than its factorization.

65973519360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 983 (or 959 counting only the distinct ones).

The product of its (nonzero) digits is 4592700, while the sum is 54.

The spelling of 65973519360 in words is "sixty-five billion, nine hundred seventy-three million, five hundred nineteen thousand, three hundred sixty".