67264216308 has 18 divisors (see below), whose sum is σ = 170028991314. Its totient is φ = 22421405424.

The previous prime is 67264216303. The next prime is 67264216367. The reversal of 67264216308 is 80361246276.

67264216308 is a `hidden beast` number, since 6 + 7 + 2 + 6 + 4 + 2 + 1 + 630 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 60215270544 + 7048945764 = 245388^2 + 83958^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67264216303) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 934225191 + ... + 934225262.

It is an arithmetic number, because the mean of its divisors is an integer number (9446055073).

Almost surely, 2^67264216308 is an apocalyptic number.

It is an amenable number.

67264216308 is an abundant number, since it is smaller than the sum of its proper divisors (102764775006).

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

67264216308 is a wasteful number, since it uses less digits than its factorization.

67264216308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1868450463 (or 1868450458 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 45.

The spelling of 67264216308 in words is "sixty-seven billion, two hundred sixty-four million, two hundred sixteen thousand, three hundred eight".