65348668770 has 128 divisors (see below), whose sum is σ = 200306276352. Its totient is φ = 13247731200.

The previous prime is 65348668717. The next prime is 65348668771. The reversal of 65348668770 is 7786684356.

It is a super-2 number, since 2×65348668770² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (65348668771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 250284 + ... + 439703.

It is an arithmetic number, because the mean of its divisors is an integer number (1564892784).

Almost surely, 2^65348668770 is an apocalyptic number.

65348668770 is an abundant number, since it is smaller than the sum of its proper divisors (134957607582).

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

65348668770 is a wasteful number, since it uses less digits than its factorization.

65348668770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 690056.

The product of its (nonzero) digits is 40642560, while the sum is 60.

The spelling of 65348668770 in words is "sixty-five billion, three hundred forty-eight million, six hundred sixty-eight thousand, seven hundred seventy".