65016066012 has 24 divisors (see below), whose sum is σ = 156597837312. Its totient is φ = 20972924400.

The previous prime is 65016065999. The next prime is 65016066013. The reversal of 65016066012 is 21066061056.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65016066013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87386814 + ... + 87387557.

It is an arithmetic number, because the mean of its divisors is an integer number (6524909888).

Almost surely, 2^65016066012 is an apocalyptic number.

65016066012 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

65016066012 is an abundant number, since it is smaller than the sum of its proper divisors (91581771300).

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

65016066012 is a wasteful number, since it uses less digits than its factorization.

65016066012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174774409 (or 174774407 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 33.

The spelling of 65016066012 in words is "sixty-five billion, sixteen million, sixty-six thousand, twelve".