66337896960 has 480 divisors, whose sum is σ = 239305397760. Its totient is φ = 16964812800.

The previous prime is 66337896953. The next prime is 66337896973. The reversal of 66337896960 is 6969873366.

It is a tau number, because it is divible by the number of its divisors (480).

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 47 ways as a sum of consecutive naturals, for example, 93565086 + ... + 93565794.

It is an arithmetic number, because the mean of its divisors is an integer number (498552912).

Almost surely, 2^66337896960 is an apocalyptic number.

66337896960 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 66337896960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119652698880).

66337896960 is an abundant number, since it is smaller than the sum of its proper divisors (172967500800).

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

66337896960 is a wasteful number, since it uses less digits than its factorization.

66337896960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 900 (or 881 counting only the distinct ones).

The product of its (nonzero) digits is 52907904, while the sum is 63.

The spelling of 66337896960 in words is "sixty-six billion, three hundred thirty-seven million, eight hundred ninety-six thousand, nine hundred sixty".