66570634010 has 16 divisors (see below), whose sum is σ = 119848262472. Its totient is φ = 26623560000.

The previous prime is 66570634003. The next prime is 66570634019. The reversal of 66570634010 is 1043607566.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 66548004961 + 22629049 = 257969^2 + 4757^2 .

It is not an unprimeable number, because it can be changed into a prime (66570634019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 526841 + ... + 640860.

Almost surely, 2^66570634010 is an apocalyptic number.

66570634010 is a deficient number, since it is larger than the sum of its proper divisors (53277628462).

66570634010 is a wasteful number, since it uses less digits than its factorization.

66570634010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1173409.

The product of its (nonzero) digits is 90720, while the sum is 38.

The spelling of 66570634010 in words is "sixty-six billion, five hundred seventy million, six hundred thirty-four thousand, ten".