67542671680 has 56 divisors (see below), whose sum is σ = 175457449440. Its totient is φ = 24560970240.

The previous prime is 67542671671. The next prime is 67542671711. The reversal of 67542671680 is 8617624576.

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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, 9590610 + ... + 9597649.

It is an arithmetic number, because the mean of its divisors is an integer number (3133168740).

Almost surely, 2^67542671680 is an apocalyptic number.

It is an amenable number.

67542671680 is an abundant number, since it is smaller than the sum of its proper divisors (107914777760).

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

67542671680 is a wasteful number, since it uses less digits than its factorization.

67542671680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19188287 (or 19188277 counting only the distinct ones).

The product of its (nonzero) digits is 3386880, while the sum is 52.

The spelling of 67542671680 in words is "sixty-seven billion, five hundred forty-two million, six hundred seventy-one thousand, six hundred eighty".