65576137012 has 24 divisors (see below), whose sum is σ = 117368165376. Its totient is φ = 32047081248.

The previous prime is 65576137001. The next prime is 65576137019. The reversal of 65576137012 is 21073167556.

It is a self number, because there is not a number n which added to its sum of digits gives 65576137012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65576137019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 532308 + ... + 643819.

It is an arithmetic number, because the mean of its divisors is an integer number (4890340224).

Almost surely, 2^65576137012 is an apocalyptic number.

It is an amenable number.

65576137012 is a deficient number, since it is larger than the sum of its proper divisors (51792028364).

65576137012 is a wasteful number, since it uses less digits than its factorization.

65576137012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1176447 (or 1176445 counting only the distinct ones).

The product of its (nonzero) digits is 264600, while the sum is 43.

The spelling of 65576137012 in words is "sixty-five billion, five hundred seventy-six million, one hundred thirty-seven thousand, twelve".