66700070734010 has 16 divisors (see below), whose sum is σ = 137211574081536. Its totient is φ = 22868595680208.

The previous prime is 66700070734009. The next prime is 66700070734019. The reversal of 66700070734010 is 1043707000766.

It is not an unprimeable number, because it can be changed into a prime (66700070734019) 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, 476429076602 + ... + 476429076741.

It is an arithmetic number, because the mean of its divisors is an integer number (8575723380096).

Almost surely, 2^{66700070734010} is an apocalyptic number.

66700070734010 is an abundant number, since it is smaller than the sum of its proper divisors (70511503347526).

66700070734010 is a wasteful number, since it uses less digits than its factorization.

66700070734010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 952858153357.

The product of its (nonzero) digits is 148176, while the sum is 41.

Adding to 66700070734010 its reverse (1043707000766), we get a palindrome (67743777734776).

The spelling of 66700070734010 in words is "sixty-six trillion, seven hundred billion, seventy million, seven hundred thirty-four thousand, ten".