67377018484820 has 48 divisors (see below), whose sum is σ = 154415852974656. Its totient is φ = 24491015136000.

The previous prime is 67377018484777. The next prime is 67377018484903. The reversal of 67377018484820 is 2848481077376.

67377018484820 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 60186986 + ... + 61296225.

It is an arithmetic number, because the mean of its divisors is an integer number (3216996936972).

Almost surely, 2^{67377018484820} is an apocalyptic number.

It is an amenable number.

67377018484820 is an abundant number, since it is smaller than the sum of its proper divisors (87038834489836).

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

67377018484820 is a wasteful number, since it uses less digits than its factorization.

67377018484820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121485752 (or 121485750 counting only the distinct ones).

The product of its (nonzero) digits is 101154816, while the sum is 65.

The spelling of 67377018484820 in words is "sixty-seven trillion, three hundred seventy-seven billion, eighteen million, four hundred eighty-four thousand, eight hundred twenty".