65769600000 has 1056 divisors, whose sum is σ = 257905492992. Its totient is φ = 14745600000.

The previous prime is 65769599993. The next prime is 65769600011. The reversal of 65769600000 is 696756.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2121599985 + ... + 2121600015.

Almost surely, 2^65769600000 is an apocalyptic number.

65769600000 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 65769600000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (128952746496).

65769600000 is an abundant number, since it is smaller than the sum of its proper divisors (192135892992).

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

65769600000 is a wasteful number, since it uses less digits than its factorization.

65769600000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109 (or 71 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 39.

The spelling of 65769600000 in words is "sixty-five billion, seven hundred sixty-nine million, six hundred thousand".