66707370070 has 64 divisors (see below), whose sum is σ = 133754815296. Its totient is φ = 23749908480.

The previous prime is 66707370049. The next prime is 66707370071. The reversal of 66707370070 is 7007370766.

It is a junction number, because it is equal to n+sod(n) for n = 66707369999 and 66707370026.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66707370071) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1069792 + ... + 1130428.

It is an arithmetic number, because the mean of its divisors is an integer number (2089918989).

Almost surely, 2^66707370070 is an apocalyptic number.

66707370070 is an abundant number, since it is smaller than the sum of its proper divisors (67047445226).

66707370070 is a wasteful number, since it uses less digits than its factorization.

66707370070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60865.

The product of its (nonzero) digits is 259308, while the sum is 43.

The spelling of 66707370070 in words is "sixty-six billion, seven hundred seven million, three hundred seventy thousand, seventy".