66750008002010 has 64 divisors (see below), whose sum is σ = 120714504488064. Its totient is φ = 26574789830400.

The previous prime is 66750008001991. The next prime is 66750008002033. The reversal of 66750008002010 is 1020080005766.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18692243525 + ... + 18692247095.

It is an arithmetic number, because the mean of its divisors is an integer number (1886164132626).

Almost surely, 2^{66750008002010} is an apocalyptic number.

66750008002010 is a deficient number, since it is larger than the sum of its proper divisors (53964496486054).

66750008002010 is a wasteful number, since it uses less digits than its factorization.

66750008002010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9279.

The product of its (nonzero) digits is 20160, while the sum is 35.

Adding to 66750008002010 its reverse (1020080005766), we get a palindrome (67770088007776).

The spelling of 66750008002010 in words is "sixty-six trillion, seven hundred fifty billion, eight million, two thousand, ten".