65918113050 has 48 divisors (see below), whose sum is σ = 165716357760. Its totient is φ = 17337363840.

The previous prime is 65918112989. The next prime is 65918113057. The reversal of 65918113050 is 5031181956.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (65918113057) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 2999010 + ... + 3020909.

It is an arithmetic number, because the mean of its divisors is an integer number (3452424120).

Almost surely, 2^65918113050 is an apocalyptic number.

65918113050 is an abundant number, since it is smaller than the sum of its proper divisors (99798244710).

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

65918113050 is a wasteful number, since it uses less digits than its factorization.

65918113050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6020007 (or 6020002 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 39.

The spelling of 65918113050 in words is "sixty-five billion, nine hundred eighteen million, one hundred thirteen thousand, fifty".