65607873650 has 24 divisors (see below), whose sum is σ = 133124341104. Its totient is φ = 23857408400.

The previous prime is 65607873631. The next prime is 65607873671. The reversal of 65607873650 is 5637870656.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 65607873592 and 65607873601.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 59642972 + ... + 59644071.

It is an arithmetic number, because the mean of its divisors is an integer number (5546847546).

Almost surely, 2^65607873650 is an apocalyptic number.

65607873650 is an abundant number, since it is smaller than the sum of its proper divisors (67516467454).

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

65607873650 is a wasteful number, since it uses less digits than its factorization.

65607873650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119287066 (or 119287061 counting only the distinct ones).

The product of its (nonzero) digits is 6350400, while the sum is 53.

The spelling of 65607873650 in words is "sixty-five billion, six hundred seven million, eight hundred seventy-three thousand, six hundred fifty".