67760645568 has 112 divisors (see below), whose sum is σ = 223522178304. Its totient is φ = 17600163840.

The previous prime is 67760645567. The next prime is 67760645569. The reversal of 67760645568 is 86554606776.

It is an interprime number because it is at equal distance from previous prime (67760645567) and next prime (67760645569).

It is a tau number, because it is divible by the number of its divisors (112).

It is a super-3 number, since 3×67760645568³ (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67760645567) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 2276905 + ... + 2306472.

Almost surely, 2^67760645568 is an apocalyptic number.

It is an amenable number.

67760645568 is an abundant number, since it is smaller than the sum of its proper divisors (155761532736).

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

67760645568 is a wasteful number, since it uses less digits than its factorization.

67760645568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4583410 (or 4583400 counting only the distinct ones).

The product of its (nonzero) digits is 50803200, while the sum is 60.

The spelling of 67760645568 in words is "sixty-seven billion, seven hundred sixty million, six hundred forty-five thousand, five hundred sixty-eight".