67932169216 has 44 divisors (see below), whose sum is σ = 139110230700. Its totient is φ = 33137623040.

The previous prime is 67932169189. The next prime is 67932169219. The reversal of 67932169216 is 61296123976.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1656815616 + 66275353600 = 40704^2 + 257440^2 .

It is a super-2 number, since 2×67932169216² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (67932169219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 767041 + ... + 851008.

Almost surely, 2^67932169216 is an apocalyptic number.

It is an amenable number.

67932169216 is an abundant number, since it is smaller than the sum of its proper divisors (71178061484).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

67932169216 is a wasteful number, since it uses less digits than its factorization.

67932169216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1618110 (or 1618092 counting only the distinct ones).

The product of its digits is 1469664, while the sum is 52.

The spelling of 67932169216 in words is "sixty-seven billion, nine hundred thirty-two million, one hundred sixty-nine thousand, two hundred sixteen".