67367497066 has 16 divisors (see below), whose sum is σ = 101737769256. Its totient is φ = 33455088576.

The previous prime is 67367497051. The next prime is 67367497069. The reversal of 67367497066 is 66079476376.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 66623353225 + 744143841 = 258115^2 + 27279^2 .

It is a junction number, because it is equal to n+sod(n) for n = 67367496995 and 67367497013.

It is not an unprimeable number, because it can be changed into a prime (67367497069) 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, 721200 + ... + 809236.

Almost surely, 2^67367497066 is an apocalyptic number.

67367497066 is a deficient number, since it is larger than the sum of its proper divisors (34370272190).

67367497066 is a wasteful number, since it uses less digits than its factorization.

67367497066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90633.

The product of its (nonzero) digits is 48009024, while the sum is 61.

The spelling of 67367497066 in words is "sixty-seven billion, three hundred sixty-seven million, four hundred ninety-seven thousand, sixty-six".