65670061330 has 16 divisors (see below), whose sum is σ = 118280156760. Its totient is φ = 26251569792.

The previous prime is 65670061279. The next prime is 65670061349. The reversal of 65670061330 is 3316007656.

It can be written as a sum of positive squares in 4 ways, for example, as 19555505281 + 46114556049 = 139841^2 + 214743^2 .

It is a super-2 number, since 2×65670061330² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 65670061330.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2040075 + ... + 2072014.

Almost surely, 2^65670061330 is an apocalyptic number.

65670061330 is a deficient number, since it is larger than the sum of its proper divisors (52610095430).

65670061330 is a wasteful number, since it uses less digits than its factorization.

65670061330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4113693.

The product of its (nonzero) digits is 68040, while the sum is 37.

Adding to 65670061330 its reverse (3316007656), we get a palindrome (68986068986).

The spelling of 65670061330 in words is "sixty-five billion, six hundred seventy million, sixty-one thousand, three hundred thirty".