65166768076 has 12 divisors (see below), whose sum is σ = 114060231208. Its totient is φ = 32578130592.

The previous prime is 65166768071. The next prime is 65166768091. The reversal of 65166768076 is 67086766156.

It is a happy number.

It is a super-2 number, since 2×65166768076² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 65166768076.

It is not an unprimeable number, because it can be changed into a prime (65166768071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1285386 + ... + 1335121.

Almost surely, 2^65166768076 is an apocalyptic number.

It is an amenable number.

65166768076 is a deficient number, since it is larger than the sum of its proper divisors (48893463132).

65166768076 is a wasteful number, since it uses less digits than its factorization.

65166768076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2626728 (or 2626726 counting only the distinct ones).

The product of its (nonzero) digits is 15240960, while the sum is 58.

The spelling of 65166768076 in words is "sixty-five billion, one hundred sixty-six million, seven hundred sixty-eight thousand, seventy-six".